Great changes ___________in my hometown in the past 30 years.
| A．took place | B．have taken place |
| C．would take place | D．take place |
(2009·湖北) His efforts to raise money for his program were __________ because no one showed any intention to take a cent out of their pockets.
| A．in place |
| B．in sight |
| C．in effect |
| D．in vain |
The fact has worried many scientists __________ the earth is becoming warmer and warmer these years.
| A．what |
| B．which |
| C．that |
| D．though |
(2009·浙江)—Is there any possibility __________ you could pick me up at the airport?
—No problem.
| A．when |
| B．that |
| C．whether |
| D．what |
(2009·海南) Encourage your children to try new things, but try not to __________ them too hard.
| A．draw |
| B．strike |
| C．rush |
| D．push |
One reason for her preference for city life is __________ she can have easy access to places like shops and restaurants.
| A．that |
| B．how |
| C．what |
| D．why |