为什么是A 为什么其他不行Are you going to have a meeting tomorrow?YES,but I'll call Kelly to make sure when_____.A.to start ; B.start; C.to starting; D.starting
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为什么是A 为什么其他不行Are you going to have a meeting tomorrow?YES,but I'll call Kelly to make sure when_____.A.to start ; B.start; C.to starting; D.starting
为什么是A 为什么其他不行
Are you going to have a meeting tomorrow?YES,but I'll call Kelly to make sure when_____.A.to start ; B.start; C.to starting; D.starting
为什么是A 为什么其他不行Are you going to have a meeting tomorrow?YES,but I'll call Kelly to make sure when_____.A.to start ; B.start; C.to starting; D.starting
这是固定搭配,疑问词后面的动词要用to do 的形式,如what to do ,how to do ,when to do.
不到啊
这是固定搭配,疑问词后面的动词要用to do 的形式,如what to do ,how to do ,when to do.
从句疑问词后面动词要加to,这是必须的,而to后面动词加ing你见过吗,so只有A才是正确答案
有意者加小弟qq:1176252686
你好。记住以下非常有用的提示:
1 make sure that + 句子
2 make sure what / when / how (等等) to + 动词原形
3 make sure of sth