Bài TEST ngày 25.7

My brothers ....... chess at 9:00 last night. They phay chess every night.

• was playing

• played

• is playing

• were playing

Answer explanation

Vì đây là quá khứ đơn " Last night" có thời gian cụ thể nên chuyển thành quá khứ tiếp diễn:

S + was/were + V_ing

He ... in the office when the light .... yesterday.

• worked/ was going off

• worked/ went off

• is working/ goes off

• was working/ went off

Answer explanation

Một hành động đang diễn ra ( quá khứ tiếp diễn ) có một hành động khác chen vào thì chia hành động chen vào là quá khứ đơn.

S + was/ were + V_ing WHEN + S + V_ ed/2

The factory ... these machine two years ago. They still work well now.

• was buying

• bought

• did bought

• buys

Answer explanation

"ago" dấu hiệu nhận biết của thì quá khứ đơn:

S + V_2/ed

I ... my homework while my parents .... a movie at 10:00 last night.

• did/ watched

• was doing/ were watching

• was doing/ watched

• was doing/ was watching

Answer explanation

Hai hành động diễn ra song song ở quá khứ nên chia quá khứ tiếp diễn.

S + was/ were + V_ing + WHILE + S + was/were + V_ing

The technicians ... the computers in the lab at the present. They do that twice a year.

• maintain

• are maintaining

• were maintaining

• maintained

Answer explanation

"twice a year": 2 lần trong nam nên chia thì hiện tại tiếp diễn.

S + am/is/are + V_ing.

These students ... on the different machines in the workshop.

• work usually

• are usually work

• usually work

• are usually working

Answer explanation

Một hành động diễn ra ở hiện tại nên chia thì hiện tại đơn.

S + trạng từ tần suất ( nếu có ) + V_0/s/es.

He often ... the room at 9:00 every morning, but today he ... a book.

• cleans/ reads

• cleans/ is reading

• was cleaning/ reads

• is cleaning/ is reading.

Answer explanation

Bắt buộc dịch nghĩa.

The technician ... power on when fixing the machine. It's safe for them.

• mustn't

• must

• should

• shouldn't

Answer explanation

Bắt buộc dịch nghĩa.

The student usually bring ... food to class although they .... do that at school.

• a lot of/ must

• many/ mustn't

• much/ must

• a lot of/ mustn't

Answer explanation

Chỗ trống thứ nhất do "food" là danh từ không đếm được nên chọn " a lot of"

Bắt buộc dịch nghĩa để hiểu được nghĩa trong câu ở chỗ trống thứ hai.

The technician ... the safety guard when operating the machine, so he had an accident.

• held

• took

• stood near

• removed

Answer explanation

Bắt buộc dịch nghĩa.