As is known to all language learners, newly learnt words will soon be forgotten unless ______ used in everyday communication.
| A．exactly | B．finally | C．gradually | D．frequently |
All I have to do is _________my life .
| A．to enjoy | B．enjoy | C． having enjoyed | D． enjoyed |
When _______ homework , you should be careful .
| A．do | B． to do | C．doing | D． done |
_______ the news, they are very happy.
| A．Hearing | B．Heard | C．Hear | D． To hear |
We last night, but we went to the party instead.
| A．must have studied | B．might study | C．should have studied | D．would study |
The reason_______ he didn’t come was that he was injured.
| A．that | B．why | C．because | D．when |