动介，动副词组练习：1 My friend _ me. I have to leave now.A. waits forB. waited forC. is waiting forD. was waiting for2.-Are you going to help John with his Chinese this evening? -NO,he_ to England. He will be back next month.A. returnedB. has returnedC. returnsD. will return3.Mr. Green _ to the manager now. Youd better call him later. A. talkB. talkedC. is talkingD. was talking4.-Alice, turn down the TV, please. I _ on the phone.-Oh, sorry.A
