Câu hỏi:

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

I’m not very ___________ at Math. I love English instead.

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

– Do you have to buy this hat? – No, I _____. It isn't necessary.

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

My friend and I _______ your sister tomorrow afternoon after she _______ her work.

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

Bob is absent; he______ sick gain now.