请教几道英语题

1.The Green family----their son,Jack because of his progress
A.is proud of B.are proud of
答案选B。family指家庭成员。
2.I like the bike----color is blue.
A.who B.that C.which D.whose
答案选D。whose指的就是the bike's.
如果题目是：I like the bike the color of _____ is blue.这时则选C

3.Could you run and----a doctor for me? Of course
A.ask B.fetch C.look D.bring
答案选B。fetch a doctor请医生来。
4.I have a dream to be a teacher. I must work hard to -----(达到)it.
没有给出答案选项：reach/attain/realize/achieve都可以。

1. A 2. D 3.D 4. 没有选项我想应该是realize。

1.B 2.D 3.B 4.reach
这只是我的答案 不一定对

A D D reach 这是我自己想的答案

B D A achieve