Đáp án là: worked (câu chia thời quá khứ đơn vì có vế sau chia QKĐ).
Đáp án là: worked (câu chia thời quá khứ đơn vì có vế sau chia QKĐ).
IV . give the correct form or tense of verbs.
3. the researchers said that they ( work)......................hard( find).......a vaccine for the Ebola vius disease then.
4. the new technology rapidly ( introduce).................................. into teaching and learning languages so far.
5. Do you think snail email still (use)..................................in 2050?
Give the correct form of the verbs in the brackets
I used to (work) ___________ in this factory.
Give the correct form of the verbs in the brackets
In England, they (drive) ____________ on the left.
Give the correct form of the verbs in the brackets.
My brother usually (go) _____________ to work early.
Give the correct form of the verbs in the brackets
They get used to (cook) ___________ in the morning.
Give the correct form of the verbs in the blanket
She fell asleep when she (read)_________________.
Give the correct form of the verbs in the brackets.
His son (finish) _____________ his work for 2 days.
Give the correct form of the verbs in the blanket
Her son (not/ visit)_________________ her very often.
Give the correct form of the verbs in the blanket
We (have) _______________ dinner when he knocked at the door.