题目内容
Daniel is one of those students who _______ always willing to help others .
A.is | B.are | C.was | D.were |
B
B 考查定语从句。先行词为those students是复数形式,故定语从句的谓语用复数,排除A、C。主句是一般现在时,故排除D。
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A.is | B.are | C.was | D.were |