__________ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
| A．While | B．As | C．When | D．Before |
The reporter said that the UFO east to west when he saw it.
| A．was traveling | B．traveled |
| C．had been traveling | D．was to travel |
Many countries are increasing their use of natural gas, wind and other forms of .
| A．energy | B．source | C．power | D．material |
--the American film been shown on TV?
--Yes, it shown last week.
| A．Has...had | B．Has...was | C．Have...had | D．Are...was |
Tom isn’t here. He to the library.
| A．has been | B．has gone | C．went | D．has went |
第一节：单项填空（共15小题；每小题1分，满分15分）
The government has promised to the matter and will give the workers a satisfactory answer.
| A．look into | B．look through | C．put into | D．put away |