You look very happy.What good news is it?为什么句子中要用happy 而不是happily?不好意思哈，还有两个问题（我会追悬赏的……）1.David,do you know when _______?A.will he come here B.he will come here C.he came here D.did he come here求为什么选B，而不是A)2.When will Tom come back?---He will come back ________two days.A.in B.at C.after D.for求为什么选A，而不是D)

You look very happy.What good news is it?
为什么句子中要用happy 而不是happily?
不好意思哈，还有两个问题（我会追悬赏的……）
1.David,do you know when _______?
A.will he come here B.he will come here C.he came here D.did he come here
求为什么选B，而不是A)
2.When will Tom come back?
---He will come back ________two days.
A.in B.at C.after D.for
求为什么选A，而不是D)