Chuyên đề 3: Multiple choice ( Vocabulary and Structure )

In the UK, there are lots of customs for table manners. For example, we use a knife and fork at dinner.

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In the UK, there are lots of customs for table manners. For example, we                 use a knife and fork at dinner.

have to

are having

has to

having to

Giải thích

Chọn đáp án A