Past Simple vs Present Perfect

They _____ the project last week.

• completed

• has completed

• complete

Answer explanation

They completed the project last week. (simple past)

The keyword "last week" indicates a specific past time, requiring the use of the simple past tense.

We _____ the presentation today.

• have finished

• has finished

• finished

• finish

Answer explanation

We have finished the presentation today. (present perfect)

The keyword "today" implies a period of time that includes the present, suggesting the use of the present perfect tense.

He _____ the email yesterday.

• sent

• has sent

• have sent

• send

Answer explanation

He sent the email yesterday. (simple past)

The keyword "yesterday" indicates a specific past time, requiring the use of the simple past tense.

The team _____ its sales target this month.

• has achieved

• achieved

• have achieved

• achieve

Answer explanation

The team has achieved its sales target this month. (present perfect)

The keyword "this month" implies a period of time that includes the present, suggesting the use of the present perfect tense.

She _____ the conference last month.

• attended

• has attended

• have attended

• attend

Answer explanation

She attended the conference last month. (simple past)

The keyword "last month" indicates a specific past time, requiring the use of the simple past tense.

We _____ the contract recently.

• have signed

• has signed

• signed

• sign

Answer explanation

We have signed the contract recently. (present perfect)

The keyword "recently" indicates a recent action, suggesting the use of the present perfect tense.

They _____ the order yesterday.

• delivered

• has delivered

• have delivered

• deliver

Answer explanation

They delivered the order yesterday. (simple past)

The keyword "yesterday" indicates a specific past time, requiring the use of the simple past tense.

The company _____ positive feedback from clients.

• has received

• have received

• received

• receive

Answer explanation

The company has received positive feedback from clients. (present perfect)

The keyword "positive feedback" suggests a completed action in the past that has an impact on the present, indicating the use of the present perfect tense.

We _____ three new employees last week.

• hired

• has hired

• have hired

• hire

Answer explanation

We hired three new employees last week. (simple past)

The keyword "last week" indicates a specific past time, requiring the use of the simple past tense.

They _____ a new marketing strategy.

• have implemented

• has implemented

• implemented

• implement

Answer explanation

They have implemented a new marketing strategy. (present perfect)

The keyword "implemented" implies a completed action in the past that has an impact on the present, indicating the use of the present perfect tense.