问题

That day I saw some parents__at the backof the classroom,_to the teacher .

A:sitting,listened
B:sat, listened
C:sitting,listened
D:sat,listening

正确答案是：

同类题型

Thank you for your help, Frank. —_________.

Nowadays children are bearing too heavy alearning burden —______ So much homework do they haveto do that they almost have no time for other activities

with a bill of $20,000, ___________________.

Here’re some _____. Are they yours— No, mine _____ red. They’re in my schoolbag.

Many newspapers claim to be politically neutral, but few________ are[ ]