问题

It’s hard to keep the house _____ with three kids.
A:cleaning
B:to clean
C:cleaned
D:clean
B:to clean
C:cleaned
D:clean
正确答案是:
同类题型
The weather here is quite differentthat of my hometown.[ ]
Is this new bike the same as______.
Thanks to the fireman,the fire was _____at once.
Mom, I got the best grade on the English test today.—Good job, son. I’m ______of you.
Do you like your math teacher? —Sure, because he is the teacher ___ helps me a lot.