意向活动与常情相悖，使人难以理解，称为( )。
A．
B．
C．
参考答案：A
变形缝有（）、沉降缝及防震缝。
用所给词的适当形式填空。
1. They hope _____ (visit) China again.
2. We won't begin the meeting until he _____ (come).
3. I had some problems _____ (work) out the math problem.
4. Thanks a lot for _____ (invite) me to your birthday party.
5. Did you watch those boys _____ (play) soccer yesterday afternoon?
