问题

Don’t forget ______ your homework ,Sue.— OK, I’ll do it at once.
A:doing
B:do
C:to do
D:does
B:do
C:to do
D:does
正确答案是:
同类题型
There are many hills in the country. A train usually goes ______ tunnels.[ ]
He goes back to our school to visit his teachers every year. —____________.
We can see no clouds in the sky. Therefore, there’s no doubt ______ it will be fine tomorrow.
Who ran most__________ at the sports meeting in your class? — Li Ming did. He won the first place.