1、i happened ____when Linda called me yesterday.a、to out B.to be out c.be out d.am out上面这些没学过,最好有用法了!2、we don't know ____it next,let's go and ask him!a.what to do b.whether to do 第二题我选了a,但是答案选了b,求正解
问题描述：
1、i happened ____when Linda called me yesterday.
a、to out B.to be out c.be out d.am out
上面这些没学过,最好有用法了!
2、we don't know ____it next,let's go and ask him!
a.what to do b.whether to do
第二题我选了a,但是答案选了b,求正解
答
1.B happen to do sth
2.B如果用A 就得把it 去掉
答
1.B happen to do sth
2.B what to do 成分完整后面不需要加it，所以选whether to do
答
1,B,happen to do 碰巧做某事,昨天当Linda给我打电话的时候,我碰巧出去了
2,B,whether引导宾语从句,不能选A,原句：我们不知道下一步是否做这个,去问问他吧