Question

2道英语选择题。。

we should give a hand to ____ blind when they need any help in life,
A.a B.an C.the D./

There is a sign "No Smoking!" We _____ stop them from smoking.
A.need B.must C.are able to D.have to
B D选什么。有什么区别 主观和客观？

Answer 1

C
D

must 必须做某事
have to 不得不做某事，表示挺被动的意思

Answer 2

C
D

Answer 3

b b