In the past three months, Hong Kong ________ the number of tourists from the mainland decline.
| A．witnesses | B．witnessed |
| C．has witnessed | D．was witnessing |
I___sooner but I didn’t know that they were waiting for me
| A．had come |
| B．was coming |
| C．would come |
| D．would have come |
If you___smoke,please go outside
| A．can |
| B．should |
| C．must |
| D．may |
They___have arrived at lunchtime but their flight was delayed
| A．will |
| B．can |
| C．must |
| D．should |
Maria has written two novels,both of___have been made into television series
| A．them |
| B．that |
| C．which |
| D．what |
After that,he knew he could___any emergency by doing what he could to the best of his ability
| A．get away with |
| B．get on with |
| C．get through |
| D．get across |