29.You may be able to prevent problems if you _____.A.are no

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29.You may be able to prevent problems if you _____.A.are not prepared B.had prepared C.prepa
29.You may be able to prevent problems ifyou _____.
A.are not prepared B.had prepared C.prepared D.are prepared

楼主好!
这个题要选D.
句子意思：
如果你做好了准备,就可能会预防一些问题的出现.
考点：
结合句子意思和语境,考察时态
关键：
①【may be able to 】也许能够,相当于一般将来时态
②时态搭配原则：
主句用一般将来时,时间、条件状语从句中,要用一般现在时代替一般将来时.
选项辨析：
A.are not prepared 时态符合；但意思不搭配
B.had prepared 时态错误
C.prepared 时态错误
D.are prepared 时态符合,意思正确.
be prepared 做好了准备其中,prepared 是【过去分词演变为形容词】.
祝你开心如意!
再问： Ϊʲô��prepared��are prepared�� are prepared��Ǳ��˼ô��
再答： be prepared ��׼�� У�prepared �ǡ��ȥ�ִ��ݱ�Ϊ��ݴʡ�� Ǳ��Ŷ��ࡾ��ȥ�ִ��ݱ�Ϊ��ݴʡ��ʾ״̬��Ƶĺࣺܶ be pleased��ˣ�� be excited �˷� be prepared=be ready ��prepared �Ƕ��ʹ�ȥʽ��ȥ�ִʣ�ֱ�Ӵ�ʱ̬��Ͼ��ų�

29.You may be able to prevent problems if you _____.A.are no 【高中英语】You may be able to prevent problems if you__D__. If you are prime minister how to prevent swine flu You are able to smoke here if you want to. My dear sisters,may not be able to accompany you to play a g some day you may be able to ring up a library and ask to rea Some days you may be able to call up a library and ask to re If you become a professional athlete,you'll be able to make If you try your best now,you'll be able to make a living doi Who knows i may be able to do you a favor ________ 好, One day you may be able to ring up a librarian,and ask __ (b Are you sleeping?No,_____.（be）