I dont know _____I should bring a present for my teacher

问题描述:

I dont know _____I should bring a present for my teacher
A.what B.if C.how D.where
选哪一个?

B
我不知道是否应该给老师带个礼物
C ,D 完全考虑都不用考虑 意思不符合
选A的话 后应为
i don't know what i should bring to my teacher as a present