5.Feather falls slowly _________ stone falls much faster.

4.The day must break now, _________ the birds are singing now.

3.___________ she leaves the house, or I will call the policeman.

2. His new book will come out next month, ________ I’m eager to read it.

并列复合句

1.----Why didn’t you call me up last night?　

-----I phoned you_______ I couldn’t get through at all.

8.E-mail, as well as telephones, _______(be)playing an important part in daily communication.

(Keys: 1. works; 2. were;　 3. thinks;　 4. is;　 5. has;　 6. have;　 7. is　 8. is.)

7.One and a half apples _____________(be) left on the table.

6.They each _____________(have) s laptop.

5.When and where to build the new factory _________(have) not been decided yet.

3.Many a young man ______________(think) life is meaningless.

her we nor he _____________( be ) to blame.