Câu hỏi:

Choose the letter A, B, C or D to complete the sentences

When my father was young, he _____ work in the garden for long hours.

Choose the letter A, B, C or D to complete the sentences

If the machine _______, press this button.

Choose the letter A, B, C or D to complete the sentences

He couldn’t have committed the crime _________ he was with me that day.

Choose the letter A, B, C or D to complete the sentences

Daisy is reading her English test because she has a test tomorrow. She_____ be studying.

Choose the letter A, B, C or D to complete the sentences

We read the description before __________ the steamer online.

Choose the letter A, B, C or D to complete the sentences

Bob is absent; he______ sick gain now.

Choose the letter A, B, C or D to complete the sentences

If you _____ up all the orange juice that was in that carton, you ought to go out and get some more.