My father enjoys ____ very much. He often practises _____ in summer.
| A．to swim; swimming | B．swimming; swimming |
| C．to swim; to swim | D．swimming; to swim |
We usually have the first class ____________ 8:00 in the morning.
| A．of | B．in | C．on | D．At |
Miss Smith is very kind. We all like ______________.
| A．it | B．her | C．him | D．Them |
Allen didn’t work hard at his lessons. ______, he failed in his exams.
| A．By the way | B．For example |
| C．As a result | D．Because of |
We can put the prefix “un-” before the following words to give them the opposite meaning except (除了) _______.
| A．correct | B．comfortable | C．certain | D．interesting |
----Would you please not smoke here? Look at the sign.
---- ________.
| A．No, I will | B．Yes, I will |
| C．Sorry, I will | D．Sorry, I won’t |