We should never ____till tomorrow what we can do today.
| A．put on | B．put off | C．give up | D．give back |
The poor little girl was _________young to know ______________ when her parents suddenly died in an accident.
| A．so; what to do | B．too; what to do | C．so; how to do | D．too; how to do |
They walked around the city to ____________ money for the children in disaster-hit areas after the terrible earthquake in Mexico.
| A．offer | B．raise | C．pay | D．make |
—I want to know if I _______________smoke here.
—No, you ______________. Could you see the sign “ No Smoking” there?
| A．can; needn’t | B．must; can’t |
| C．shall; won’t | D．can; mustn’t |
—It’s said that the famous scientist will give us _________advice on maths study.
—__________good news! I’m not good at it.
| A．some; What | B．an; What | C．a; How a | D．any; How |
We felt ______ impossible to finish the work without help.
| A．it | B．that | C．this | D．them |