There’s no doubt _____enough concern must be paid to the problem of the stayathome children.
A. which B. whether C. that D. what
Their relationship，______ on years of open communication with each other，will last.
A. base B. to base C. basing D. based
I’d like to start my own business — that’s _____ I’d do if I had the money.
A. why B. when C. which D. what
I’m the first girl ________college in our village，which makes my parents very proud.
A. to attend B. attending C. attended D. having attended
Now that the children have___, we should let them free to choose their style of living.
A. picked up B. brought up C. grown up D. taken up
Our duty is to ______ their country against both domestic and foreign enemies’ attack.
A. delay B. defend C. defeat D. depend
