题目内容
1.You'd better write down her phone number before you ____ it.( )A. | forget | B. | are forgetting | C. | forgot | D. | will forget |
分析 你最好在你没有忘记之前记下她的电话号码.
解答 答案:A
主、从句的时态一般要保持一致.由题干看主句是一般现在时态,从句也应是同样时态.而B项是现在进行时;C项是过去式;D项是将来时.故选A.
点评 判断动词的时态一般要根据时间状语.如果是复合句的,要看主从、句的时态.要遵循主、从句时态保持一致的原则.
练习册系列答案
相关题目
3.The aim of education is to teach young people to think for themselves and not follow others ______.( )
A. | blindly | B. | unwillingly | C. | closely | D. | carefully |
5.If you have any doubts about your health,you'd better __________ your doctor at once.( )
A. | convince | B. | consult | C. | avoid | D. | affect |
9.It is important to remember that success __________ a sum of small efforts made each day and often __________ years to achieve.( )
A. | is; takes | B. | are; takes | C. | are; take | D. | is; take |