问题

Did you have any difficulty catching yesterday’s lecture?—No. The professor spoke very clearly to make his speech easy _____.[ ]

A: understood
B: understand
C: understanding
D: to understand

正确答案是：

同类题型

Hi,I’m Xiao Li.I’m very glad to_______friends_______you.—Me,too. I’m Xiao Wang.

Of the two T-shirts, I’d choose the _________ one to save some money for a book..

Do you know the boy _______ under thebig tree

_anurse, she knew how to take care of a patient

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