—Would you please __________ us one of your __________ designs?
| A．showing, the best | B．show, best |
| C．to show, best | D．show, the best |
—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.
| A．Did; do; finished | B．Have; done; have finished |
| C．Have; done; finished | D．Will; do; finish |
It’s necessary for you _____ exercise every day.
| A．taking | B．to take | C．take | D．takes |
—I _______ here since I was five years old.
| A．lived | B．have lived | C．live | D．was living |
The Greens _____ China for seven years.
| A．have come to | B．have been to |
| C．have come in | D．have been in |
Maria and Tony ____English girls.
| A．are all | B．are both | C．all are | D．both are |