You should study the details of the policy before you sign it.
| A．in return | B．in advance |
| C．at ease | D．on purpose |
. You’d better start it right away ______ you forget it.
| A．in case of | B．unless | C．before | D．since |
. If it ______ for the fence, he ______ into the river.
A. were not; fallen B. had not been; could have fallen
C were not; could fall D. had not been; could fall
. I could have offered you some help last weekend, but I ______ with my work at that time.
| A．would be occupied | B．was occupying | C．had been occupied | D．was occupied |
______ choice you make matters little to the final result of the discussion.
| A．No matter what | B．Whichever | C．Whatever | D．No matter which |
You can’t imagine ______ when they heard the news ______ their team had won.
| A．how excited they were; that | B．how exciting they were; which |
| C．how they were excited; that | D．how they were exciting; which |