In the lobby, I noticed a foreigner ____________something to an attendant.
A. explains
B. explaining
C. explained
D. to explain
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It seemed that the attendant and the foreigner _________ understand each other.
A. couldn't
B. can't
C. mustn't
D. needn't
The foreigner told me that _________ he wanted to take away was the ice in the glass.
A. who
B. whose
C. what
D. whom
The attendant handed the paper cup _______the foreigner.
A. for
B. to
C. in
D. with
The small incident made me _______ once again that English can be useful in our daily life.
A. realises
B. realising
C. realise
D. realised