—Where did you ______on vacation?
—I_____to Shanghai.
| A．went, went. | B．go; went. | C．go;go. | D．went;go |
—Would you mind _______ me solve it? —_______.
| A．to help; No, not at all | B．helping; With pleasure |
| C．help; Yes, please | D．helping; Sorry, you can’t |
Amy ____ the school library. She ______ books three times a week.
| A．has gone to; has used to borrow |
| B．has been to; used to borrow |
| C．has gone to; has been used to borrowing |
| D．has been to; is used to borrowing |
—Could you tell us _______? —About five minutes.
| A．how soon will the film end |
| B．how long has the film begun |
| C．how soon the film has over |
| D．how long the film has been on |
Thank you for giving us some useful advice _______ how to deal _______ the problems.
| A．on; with | B．about; to | C．to; about | D．with; of |
Things made of plastic are usually _______, but they are _______ to get polluted.
| A．cheap; easy | B．cheap; easier | C．cheaper; easy | D．cheaper; easier |