He seems not to have grasped what I meant, ______ greatly upsets me.A．itB．whichC．thatD．wha

David was a very cute boy but now he seems to have no interest in anything．A.cleverB.hones

I______to him because he phoned me shortly afterwards.A．need not to have writtenB．needn"t

What was Philips reaction to his class？A．He seemed to have enjoyed it.B．He found his class

He is not in the office. He must have gone to have classes, ______ ？A．didn"t heB．doesn"t h

He now regrets______harder when he was at school.A．not to studyB．not studyingC．having not

He 【grasped】 both of my hands and begged me to he