并说明原因when the teacher came into the classroom ,the students stopped talking and laughing and pretended______ their lessons.A to do B doing C to doing D to be doing

来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 20:54:53
并说明原因when the teacher came into the classroom ,the students stopped talking and laughing and pretended______ their lessons.A to do B doing C to doing D to be doing

并说明原因when the teacher came into the classroom ,the students stopped talking and laughing and pretended______ their lessons.A to do B doing C to doing D to be doing
并说明原因
when the teacher came into the classroom ,the students stopped talking and laughing and pretended______ their lessons.
A to do B doing C to doing D to be doing

并说明原因when the teacher came into the classroom ,the students stopped talking and laughing and pretended______ their lessons.A to do B doing C to doing D to be doing
选D
pretend后只接to do,所以,排除BC,又因为这是一个瞬时场景,强调正在,故,用be doing.

C pretend to doing sth. 是假装正在做某事的意思。

i will call you when i _at the townwill arrive arrived arrives arrive选哪个 并说明原因 it is the time ( ) i go to school .a:when b:that请说明一下原因,并传授一下心得. 1、When the bell rang,all the students ran to the playground as( )as possible A、quick B、quicklyC、more quikly 并请说明一下原因 what season was it?what does his teache probably think about the weather?when icemeltatthe poles,it--------------------- 26并说明原因～ 并说明原因... 并说明原因. 解答并说明原因 并说明原因. 并说明下原因, 并说明一下原因 并说明原因 并请说明原因 解答并说明原因. 并说明原因, 并说明原因谢谢! 并说明原因喔 并说明选择原因