—When did the Greens come to China?
—They_____ China for seven years.
| A．have come to | B．have been to |
| C．have come in | D．have been in |
— When did you borrow the English story-book?
— I borrowed it last week. I ______ it for a week.
A. have bought B. have kept C. have borrowed
—Don’t worry. My mother will look after your baby ______.
—Thanks a lot.
A. careful enough B. enough carefully C. carefully enough
________ the girl is only nine, she takes care of her brothers and cooks meals every day.
A. If B. Because C. Although
May I use your pen? _____ works better.
A. Your B. Mine C. Yours
The customers are pleased with the ______ of the restaurant.
A. balance B. experience C. service