1 . In my opinion, you________leave him alone for the time being to allow him to calm down.

A．are able to

B．have to

C．had better

D．dare to

2 . In order to better prepare yourself for the “strengthening basic disciplines plan”, you’d better a________ (预料，预见) any tough questions and rehearse your answers. (根据中英文提示填空)

3 . Your brother is busy with his homework. You’d better l______him a______(不打扰). (根据中英文提示填空)

4 . 如果你想成功，你最好为将来做好安排。
If you want to succeed, you’d better __________ __________ __________ the future.