My sister is ill. I have to ______ her at home.
A. look at B. look after C. look up D. look for
The room _______ every day. You can live it now.
A. cleans B. is cleaning C. is cleaned D. has cleaned
My parents enjoy for a walk after supper.
A. go B. goes C. to go D. going
We must study hard __________ we can have a bright future.
A. so this B. because C. so that D. which
________ visitors visit the Great Wall every year.
A. Two millions B. Millions C. Two millions of D. Millions of
—Why not John a toy car for his birthday ?
—Good idea! He is crazy about cars.
A. buy B. buying C. to buy D. buys
