.
If I ___________ you would drop in, I would have stayed home waiting for you.
| A．have known | B．knew | C．would know | D．had known |
—Tom, you didn’t come to the party last night?
— I _____ , but I suddenly remembered I had homework to do.
| A．had to | B．didn’t | C．was going to | D．wouldn’t |
The film festival isas an event of international importance．
| A．acknowledged | B．realized | C．understood | D．fascinated |
My money was beginning toand there were no jobs to be found．
| A．give up | B．give out | C．give in | D．give away |
A botanist who speaks and writes English is in closer touch with the scientists in other countries than who doesn’t．
| A．one | B．those | C．/ | D．that |
Two hours away from the tall buildings of New York．
| A．some of the world’s largest bears live |
| B．lives some of the world’s largest bears |
| C．do some of the world’s largest bears live |
| D．live some of the world’s largest bears |