They have promised the money collected be handed to the charity house.
| A.can | B.must | C.will | D.shall |
People try to avoid public transportation delays by using their own cars, and this _____ further problems.
| A.in short | B.in case | C.in doubt | D.in turn |
Although ____ my opinion, the old professor didn’t come up with his own.
| A.against | B.on | C.for | D.in |
The field research will take Joan and Paul about five months;it will be a long time_____we meet them again.
| A.after | B.before | C.since | D.when |
My parents live in a small village. They always keep candles in the house ___ there is a power cut.
| A.if | B.unless | C.in case | D.so that |
It is difficult for us to learn a lesson in life _____we’ve actually had that lesson.
| A.until | B.after | C.since | D.when |