The students stood there and didn't know what they should do next.=The students stood there and didn't know _____ _____ do next.是how 还是what

The students stood there and didn't know what they should do next.=The students stood there and didn't know _____ _____ do next.是how 还是what The students all stood up ____ the teacher came in. Don't touch this snake.It's _(poison)The students stood u_ and said hellow to the teacher.Love makes the whole world p_. teacher stood up,and______ some students.The teacher stood up,and______ some students.The teacher stood up,______ some students and came into the classroom.A following B followed C to follow D follow the students all stood up when the teacher.进入 The classroom为什么enter不用过去完成时, the students don't like____(do) homework the old man stood in a s_____ street and didn't know where to go When he fell off the bike,he tried ____ but couldn't .A.to have stood up B.standing up C.to stand up D.having stood up stood stood can't the students eat in the dining hall 翻译 The students s什么 listen to the t什么 carefully students mustn't----(stand)on the chair in the classroom The students s什么 listen to the t什么 carefully The students shouldn't s_____ to the old people. 这题该选什么呀?为什么?Many students ___around,I explained the story into details.A.stood B.standing C.to stand D.were standing you've under stood ,haven't you? the teacher said class is over ,the students stood up and walked out.at these words at在这是什么用法可以换为with吗the teacher said class is over ,at these words ,the students stood up and walked out.