问题 选择题

Tony, my best friend, has done _______ he can to help me out of trouble.

A.all that

B.all what

C.which

D.all which

答案

答案:A

考查句型:do all (that) sb can to do sth/ do what sb can to do sth尽某人所能去做某事,所以应选A,若选B应去掉all,句意:托尼,我最好的朋友尽他所能帮助我摆脱困境。

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