套筒式补偿器的组成部分不包括（）。 A．带底脚的套筒 B．插管 C．卡环 D．填料函

选择方框中动词词组的适当形式填空。

send  for     laugh at       making friends    catch up with     agree with

小题1:Study hard, and you will___________ the others.
小题2:Tom likes___________ , so he has a lot of good friends here.
小题3:His mother was ill, so he___________ a doctor at once.
小题4:Don’t___________ others in trouble, It’s impolite.
小题5:Your plan sounds good. I__________ you .