问题

Look, the Maths teacher with his students _________onthe grass to have a good rest at present.

A:is lying
B:is lieing
C:are lying
D:be lying

正确答案是：

同类题型

61. That young man youwith neglecting your duty.

We feel ourduty to make our country a better place.

. It used to be thought _____ the Earth wasflat.

It is such a good place _____ everybodywants to go and visit _____ it is well-known all over the world

Lucy with Kitty _____ good at English. We often help them ____ their English.