In some developed countries, larger population is ______________ in their big cities.
| A．approved | B．gathered | C．concentrated | D．fixed |
—What else did you do this morning besides doing the shopping?
—Two hours__________washing the windows and the floor.
| A．were taken | B．was spent |
| C．has taken | D．will be spent |
—You must be surprised and excited to see the film star here.
—You’re right. __________.
| A．I don’t expect to see her here | B．I didn’t expect to see her here |
| C．I am expecting to see her here | D．I expected to see her here |
An order has come that the police should find out where the thief__________.
| A．hides | B．was hiding |
| C．hiding | D．is hidden |
As we stood on the top of the hill，we could see the beautiful scene that__________before us.
| A．had spread | B．has spread |
| C．spread | D．spreads |
Professor Haley told me that he__________by many of his students at the railway station.
| A．had been seen off |
| B．have been seen off |
| C．had seen off |
| D．have seen off |