1. I have good friends here and they often help me when I am in trouble.
A. the number of B. the number C. a number of D. a number
2. Mary when she saw a big snake in the grass.
A. ended up B. ran away C. grew up D. took away
3. He could wait and left this city immediately.
A. any longer B. much longer C. not longer D. no longer
4. If you are free when you , I hope you can come to see me.
A. pass by B. pass away C. pass on D. pass out
