Late in the afternoon, they arrived at small village north of the West Hill.
| A．the; the | B．a; / | C．a; the | D．the; / |
It’s illegal for a public official to ask people for gifts or money ________ favors to them.
| A．in preference to | B．in place of |
| C．in agreement with | D．in exchange for |
The coat ________ thin but ________.
| A．is worn…is dried easy | B．wears…dries easily |
| C．has worn…has dried easy | D．wears…dries easy |
Food supplies in the earthquake area ________. We must act immediately before there’s none left.
| A．are being run out | B．are running out |
| C．have run out | D．have been run out |
No scientists can exactly figure out what ________ happened ________ at that time, which caused the extinction of the dinosaurs.
| A．on earth; on the earth |
| B．on the earth; on earth |
| C．on earth; on earth |
| D．on the earth; on the earth |
Experiments of this kind ________ in both the U.S. and Europe long before the Second World War.
| A．conducted | B．was conducted |
| C．had been conducted | D．had conducted |