例题1.

　　— You must come back every month.

　　Ann is so careful that she always goes over her exercises to ______there are no mistakes.

　　A. look for B. make sure C. find out D. think about

　　【解析】make sure是固定词组,意思是“确信”,她检查自己作业的目的是确信不犯错误。

　　例题2.

　　— Which of the two English dictionaries will you buy ?

　　— I‘ll buy ______ of them, so I can give one to my friend, Hellen.

　　A. either B. neither C. all D. both

　　【解析】选D。从so 引导的结果状语从句可判断一个字典给自己,另一个给朋友Hellen, 因此可知买两本英语字典,其中both表示“两者都”。

　　例题3.

　　He ______ two thousand trees since 1985.

　　A. plants B. planted C. will plant D. has planted

　　【解析】since意为自从……以来,应与现在完成式连用,故选D。

　　例题4.

　　______ you free last night?

　　A. Were B. Was C. Are D. Do

　　【解析】last night应于过去式连用。因为它表示具体的过去时间。又因主语为you,故选A。

　　例题5.

　　词语解释

　　(1)I‘m so glad to see you.

　　A. sad B. angry C. pleased

　　【解析】glad意为高兴的选项中只有pleased有此意,故选C。

　　(2)An elephant is a large animal.

　　A. big B. tall C. heavy

　　【解析】large意为大的,只有选项A与其意相近,故选A。

　　(3)This shop sells a lot of things.

　　A. little B. many C. some

　　【解析】a lot of的意思是许多的,只有选项B与其相同,故选B。

　　这3道题的目的为选意义相同或相近的词,这就要求同学们在学习英语的过程中注意这类词的相互联系。学习生词时力求用过去学的词或短语来解释。