问题
I have experienced quite a number of cases ______ I really wanted to help but could not find anything to put my hands on[ ]
A: when
B: that
C: where
D: in that
B: that
C: where
D: in that
正确答案是：
同类题型
stop to have a rest You _________ the flowersin your garden for nearly two hours
I find it astonishing that John ________ be so rude to me.— In fact, he is always rude to others.[ ]
He lifted the stone only _______ it dropped on his own feet
______do you improve your speaking skills—-By _____ with groups.