1 . The climbers ________ (trap) in the mountain are waiting to be rescued. (所给词的适当形式填空)

2 . As you can see, corporate knowledge ________ (combine) with creativity has brought my bookshop into the 21th century. (所给词的适当形式填空)

3 . Don’t hurry. We still have a few minutes _______.

A．leave

B．leaving

C．left

D．to leave

4 . Most of us didn’t like the table ________ (advertise) in the magazine. (所给词的适当形式填空)

5 . There are many serious health problems __________(associate) with smoking. (所给词的适当形式填空)

6 . Jim has retired, but he still remembers the happy time ____________ (spend) with his students. (所给词的适当形式填空)

7 . A number of local people have been arrested for trying to stop trucks ________(load) with logs.(所给词的适当形式填空)

8 . Electricity ________(generate) by water power merely accounts for 30% in the city. (所给词的适当形式填空)

9 . Technological innovation, ________ (combine) with good marketing, will promote the sales of these products. （所给词的适当形式填空）

10 . The scientists, ________(commit) to the research of the Mars, found no signs of life there. （所给词的适当形式填空）