III. Choose the correct item.
1. If Michael a new computer, he will let us use it.
A) buys B) bought C) is buying
2. When babies are happy, they
A) would smile B) smile C) are smiling
3.
you go to bed early, you will be tired in the morning,
A) il
B) unless
C) should
4. I go to bed I'm tired.
A) unless
B) when
C) so
5. I won't do it you ask me nicely. You must learn to be polite.
A) if
B) unless C) when
6. If you exercise regularly, you have more strength and energy.
A) will
B) won't
C) can