We’ll do a really ___ house cleaning before the New Year.
| A．total |
| B．complete |
| C．thorough |
| D．whole |
Of the two shirts, I’d like to choose the_____ one to save some money for a cap.
| A．cheapest | B．cheaper |
| C．more expensive | D．most expensive |
I will never forget the day____ we spent in the old town with small houses.
| A．who | B．whom | C．that | D．what |
In summer milk will quickly go bad_____ it is put into a fridge.
| A．though | B．unless |
| C．because | D．once |
I am surprised that you should have been fooled by such a (an) ___ trick.
| A．ordinary | B．clever |
| C．smart | D．simple |
Email, as well as letters, ___________ an important part in daily communication..
| A．are playing | B．have played |
| C．is playing | D．play |