97.No SMOKING should　　　　　 (see)in the stores even in many parts of the city.

96.Liu Yithing　　　　 (change)a lot since she enterd Harvard University.

95.It is very important to make a correct(decide)　　　　　　　 .

C.根据句意，用括号内所给动词的正确形式完成句子(每小题1分，计5分)

94.In 1972,it was discovered that the manatees were in(dangerous)　　　　　　 .

93.It’s said that you’ve completed the building of the new lab(succeed)　　　　

in time.

92.You can’t take anything from here without(permit)　　　　　　 .

91.-Thank you for(invite)　　　 me to your party next Sunday,Peter.　

-I’m glad to do that.

90.Students should pay enough attention to their　　　　 (发音)when they speak English.

B.根据句意，用括号内所给词的适当形式填空(每小题1分，计5分)

89.It is not　　　　 (自然)for a child of his age to be so quiet at home.

88.There are so many new words in the 　　　(四十九)lesson.It’s hard to understand.