-There ______ many animalss in the forest. Where are they now?　

- Most animals have been killed. We should try ______ them.

　 A. used to be; to protect　　 B. were used to be; protecting

　 C. used to be; protect D. are used to be; to protect

 It’s difficult to live in a foreign country, ______ if you can’t understand the language there.

A. exactly  B .naturally     C. usually       D. especially

 She often spends an hour ______ her homework.

A. finish doing    B. to finish doing   C. finishing to do   D. finishing doing

_____does an alien look like?   

 A. What             B. How           C. When         D. Why

--I’m going to Hainan on vacation next week.

--_____ ????.

A. Have a good time　 B. Not at all　

C. Thank you D. I have no idea

—Look at the girl! Is it Susan?　

—No, it ______ be her. She has gone back to Shanghai.

　 A. mustn’t　　　 B. can’t　　　　 C. needn’t　　　　 D. wouldn’t

---Hello! May I speak to Jane?

---Sorry. _____ isn’t in right now.

　　　 A. Her　　　　　　　　　 B. She　　　　　　　　　 C. Him　　　　　　　　 D. He

 We’d better _____ off our mobile phones. The meeting will start in a minute.

A. to turn       B. turning       C. turn       D. turned

 I won’t take part in Zhang Li’s party ______ she invites me.   

   A .but            B. unless        C. if             D. since

 After the rebuilding, our school is becoming _______________.

   A. more and more beautiful     B. more beautiful and beautiful

   C. beautiful and beautiful       D. the more beautiful