Shooting, as __________ means of survival originally, developed into _________ sport only in the late 19th century.
| A．a; a | B．the; the | C．a; the | D．the; a |
---I’m sorry to have kept you waiting.
---Oh, not at all. I here only a few minutes.
A have been .
B. had been
C., was
D. will be
I at the station half an hour ago, but the train yet.
| A．arrive; didn’t come |
| B．was arriving; hadn’t come |
| C．arrived; hasn’t come |
| D．had arrived; didn’t come |
–----Do you know our town?
------No, this is the first time I here.
A was
B. have been
C. came
D. am coming
I my washing machine the whole morning. I must get it done before noon.
| A．have repaired |
| B．am repairing |
| C．will repair |
| D．have been repairing |
-----Where _you_?
------I got caught in the traffic, or I would have been here earlier.
| A．did; go |
| B．had; gone |
| C．have; been |
| D．were; going |