The students stood there and didn't know what they should do

The students stood there and didn't know what they should do He stood there still and didn't know _to do next.A.what B.ho They didn't know what they should do to deal with the proble The two men didn't know what they should do with the thief的同 students,what,wanted,some,didn't,future,be,they,know,in,the, the old man stood in a s_____ street and didn't know where t I was scared and didn’t know what to do. the teacher stood there _______(安静地）and didn't say anything They didn't know Spanish,and the waiter____know English He didn"t know what to do the next day They don't know what they should do next.改为同义句 They don't kn I didn't know what I should say 用 what to do 替换