Lvl 4 - U3 - Changing planet

Choose the options to complete the sentence:

Carbon dioxide ​ (a)   ​ (b)   from the atmosphere by algae.

• is
• removed
• has
• removing

Identify the parts of the active sentence:

Climate change has caused numerous problems.

• verb / action

• numerous problems

• object / recepient

• Climate change

• subject / doer

• has caused

Identify the parts of the active sentence:

Numerous problems have been caused by climate change.

• passive voice

• numerous problems

• subject

• have been caused

• doer

• by climate change

Complete the sentence with the past perfect of the verb:

The lake was polluted in the spring, and by August thousands of fish _____ (die).

Complete the sentence with the past perfect of the verb:

The Nile Perch _______ (be) a river fish before it was brought to Lake Victoria.

Complete the sentence with the simple past or past perfect.

Danny ​ (a)   always ​​ (b)   jazz until he ​ (c)   to a concert last year.

• had
• hated
• went
• gone

Complete the text with the correct form of the verbs.

There isn't much for young people to do in my community. Six months ago, the students in my school (a)   (get) together to discuss a solution. We (b)   (decide) to ask the principal for access to the school's facilities for after-school classes, but he (c)   (tell) us that there wasn't enough money to pay staff for that. Another meeting (d)   (call). This time, parents (e)   (invite).

• got
• decided
• told
• was called
• were invited
• was gotten
• were decided
• was told
• called
• invited

Complete the text with the correct form of the verbs.

To our great surprise, many parents ​ (a)   (volunteer) to supervise us using the facilities. Also, baking classes and bicycle-repair workshops ​ (b)   (set up). We ​ (c)   (interview) by the local TV station, and when an article about us ​ (d)   (publish) in the local paper, we ​ (e)   (become) famous.

• volunteered
• was volunteered
• were set up
• set up
• were interviewed
• interviewed
• was published
• published
• became
• were become

Write the number:

four thousand fifty-one

Write the number:

Sixty-nine million four hundred twelve