作业帮Linda,make sure the tables____ before the guests arrive.A.be set B.set C.are set D.are setting如果有E答案 will be set 2010年吉林市二模题：-How about buying sam a mobile phone?after all ,he isn't a boy any more.-I think it necessary,for w
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Linda,make sure the tables____ before the guests arrive.A.be set B.set C.are set D.are setting如果有E答案 will be set 2010年吉林市二模题：-How about buying sam a mobile phone?after all ,he isn't a boy any more.-I think it necessary,for w
Linda,make sure the tables____ before the guests arrive.A.be set B.set C.are set D.are setting
如果有E答案 will be set
2010年吉林市二模题：
-How about buying sam a mobile phone?after all ,he isn't a boy any more.
-I think it necessary,for we sometimes want to make sure if he _home for dinner.
A.will come B.comes C.has come D.would come
这两个题类似吗?请指教,
Linda,make sure the tables____ before the guests arrive.A.be set B.set C.are set D.are setting如果有E答案 will be set 2010年吉林市二模题：-How about buying sam a mobile phone?after all ,he isn't a boy any more.-I think it necessary,for w
不可以.
make sure the tables are set before the guests arrive
主将从现,这里主句是祈使句,特殊了一些.
不一样,第二题并不是事实,只是一种假想,并不是“主将从现”这种情况.
按意思理解着做就行.
A.will come
1。不可以选will be set.这个是表示命令，表示一个结果的一定要用are set.
2。这个和第一个不一样。这个句子表示判断的意思if表示是否，可以换成whether or not he will come home for dinner.
before引导的从句一般时，主句用将来时
if 引导从句将来时，主句一般时
第一题把句子直译过来就不难得出答案C了；第二题选A是因为这个句子属if从句，从句要用一般将来时！