There is no point advocating banning smoking in public ________ the law is introduced.
| A．when | B．unless |
| C．since | D．because |
— Alice came back home the day before yesterday.
— Really ? Where _____?
| A．has she been | B．had she been | C．has she gone | D．had she gone |
— I will come to attend your lecture at 10:00 tomorrow.
— I’m sorry, by then my lecture will have ended and I _____ my guests in my office.
| A．is being met | B．will meet | C．will be meeting | D．will have met |
— Has Jack finished his homework yet?
— I have no idea；he _____ it this morning.
| A．was doing | B．had been doing | C．has done | D．did |
The traffic in our city is already good and it _____ even better.
| A．gets | B．got | C．has got | D．is getting |
I’ve finally finished my paper and it _____ me an entire month.
| A．takes | B．took | C．was taken | D．had taken |