—Which of the two pens are you going to buy?—I’ll buy _____of them, so I can give one to my friend.
It’s no use _____ my husband ________ money. He won’t take your advice.
I don't mind _______ the decision as long as it is not too late.
______ care of the baby, or it may fall ill.
The old man lives at home but he never feels _________.
My classmate Lily is in English because she once stayed in the U.S. for several years.