题目内容
1．-The experiment seems difficult．Would you mind doing it for me？-Why not do it by yourself？I show you how to do it if necessary．（ ）
| A． | can | B． | needn't | C． | must | D． | shouldn't |
分析 --这个实验似乎很难，你介意帮我做吗？
--为什么不自己做呢？如果必要的话，我可以教你怎么做．
解答 答案：A．
can可以；needn't不必；must一定，必须；shouldn't不应该．根据-Why not do it by yourself，可知为什么不自己做呢？后面应该说的是如果必要的话，我可以教你怎么做．所以这里用can．故选A．
点评 本题考查了情态动词的用法．解答时注意理解句意以及所给选项的意思并作出正确选择．
练习册系列答案
相关题目
11．-When are you going to have your hair ？
-This afternoon．（ ）
-This afternoon．（ ）
| A． | cut | B． | to cut | C． | cutting | D． | be cut |
9．-When did the classroom have a power cut？
-This morning，while we ________ a physics lesson．（ ）
-This morning，while we ________ a physics lesson．（ ）
| A． | have had | B． | were having | C． | are having | D． | will have |
16．The desk is in a mess．Would you please your books？（ ）
| A． | take up | B． | take away | C． | take on | D． | take off |
6．-The film Dangal in our city last month and won high praise．
-Exactly．I have seen it twice．（ ）
-Exactly．I have seen it twice．（ ）
| A． | was shown | B． | will show | C． | is shown | D． | has shown |
10．-It is said that TV program Readers was quite popular．（ ）
--Yes，I watched ______ at eight last Saturday．
--Yes，I watched ______ at eight last Saturday．
| A． | it | B． | them | C． | that | D． | those |
11．-The lights is on．When you leave，please _____．
-OK，I won't forget ____it．（ ）
-OK，I won't forget ____it．（ ）
| A． | turn it off； to do | B． | turn off it； doing | ||
| C． | turn on it； to do |