______ book is ______ the floor.
| A．An；on | B．A；under | C．The；under | D．The；on |
This is the most beautiful park I have _____ visited.
| A．ever | B．yet | C．never | D．already |
Xi’an is a city with many places of interest and _____ tourists come here every year.
| A．thousand of | B．thousand |
| C．thousands | D．thousands of |
—_____ 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 |
—Could you tell me _____?
—Sorry, I don’t know.
| A．where are my socks | B．where can I find my socks |
| C．where my socks are | D．where my socks put |