The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time ________ everything returns to normal.
| A．since | B．after | C．unless | D．before |
______how others react to the book you have just read creates an added pleasure.
| A．Hearing | B．Hear | C．Having heard | D．To be hearing |
There are some health problems that, when ____in time, can become bigger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not having been treated |
（2013·新课标Ⅱ卷)I got to the office earlier that day, the 7:30 train from Paddington.
| A．caught | B．to have caught | C．to catch | D．having caught |
They might just have a place ________ on the writing course— why don’t you give it a try?
| A．leave | B．left | C．leaving | D．to leave |
The sunlight is white and blinding, _______ hard-edged shadows on the ground.
| A．throwing | B．being thrown | C．to throw | D．to be thrown |