A dictionary is necessary if you want to learn English, so you’d 
better buy .
| A．this | B．that | C．it | D．one |
—Guess what？ I have got A for my term paper.
—Great!You _______ read widely and put a lot of work into it.
| A．must have | B．should |
| C．must | D．should have |
It is a rule in his family that ______ comes home earlier should cook the dinner for the family.
| A．Anybody | B．who |
| C．who that | D．whoever |
I don’t mind picking up your things from the store. _____, the walk will do me good.
| A．Sooner or later | B．Still |
| C．Besides | D．In time |
What an _______day! After a whole day’s hiking, I am completely ________.
| A．exhausted; exhausted |
| B．exhausting; exhausting |
| C．exhausting; exhausted |
| D．exhausted; exhausting |
The computer system ______ suddenly while he was searching for information.
| A．broke down | B．broke out |
| C．broke up | D．broke in |