Sitting at the back of the room but in front of some old men and women ______ a very shy girl with two bright eyes.
| A．was | B．were | C．are | D．being |
The government has taken some measures to solve the shortages of electricity, but it may be some time _______ the situation improves.
| A．since | B．when | C．unless | D．before |
Li Ping is the only one of the students whom I think _______ fit for the job.
| A．being | B．is | C．to be | D．be |
________ five minutes ______ before the last bus left, we arrived at the station.
| A．There were; to go | B．With; to go | C．It was; left | D．It had; left |
I am moving to the countryside because the air there is much fresher than _______ in the city.
| A．ones | B．one | C．that | D．those |
The farmers once used wood to build a house ______ to store grains all the year round.
| A．how | B．what | C．in which | D．in where |