IV. Complete each sentence with a suitable
word or phrase:
6.
It is absolutely ______ you contact our
head office in advance.
7.
I think it's high time we ______ locking
all the windows at night.
8.
Would you rather I ______ the lunch, if
you feel tired?
9.
I wish my car ______ as fast as yours.
10.
I'd prefer you ______ smoke in here, if
you don't mind.