16、You can never use my tape recorder. time should you touch that machine.
A．At no B．At any C．Any D．No
17、Scarcely the room the phone rang.
A．I had entered…when B．Had I entered…then
C．had I entered…when D．have I entered…when
18、Only save his life.
A．can the doctor B．the doctor can
C．will the doctor D．could the doctor
19、Hardly anybody the boy ， because he is rude.
A．does like B．likes C．do like D．like
20、So well that the teacher praised her.
A．she had done her homework
B．her homework had been done
C．did she do her homework
D．she did her homework
16A 17、C 18、B 19、B 20、C