35. When you go camping on a wild island, remember to _______ snakes.

A. be careful　　　 B. take care of　　 C. watch out for　　 D. care about

34. When the old man was walking past the bank of the river, he saw a girl

______ in it.

　　　　 A. striking　　　　 B. struggling　　 　C. pulling　　　　 D. flowing　

33. -What was the first book ________ you read last year?

　　　　 -Harry Potter.

　　　　 A．who　　　B．which　　C．what　　 　D．\　

32．The river ______ are covered with trees is very long.

　 　　　　 A. whose banks　 　　　B. of which banks　

　　　　 C. whose the banks　 　　 D. the bank of which　

31. Hurry up! The train ______. You know it ______ at 8:30 am.

　 　　　　 A.leaves; leaves　　　　　　 　　　　 B.is leaving; leaves　　　　

　　　　 C.leaves; is leaving　　　　 　　 D.is leaving; is leaving