When asked why he went there, he said he was sent there ________ for a space flight.
| A．training | B．being trained | C．to have trained | D．to be trained |
Come and see me whenever ____ .
| A． you are convenient | B．you will be convenient |
| C． it will be convenient for you | D．it is convenient to you |
The invention of steam engine greatly sped up the industrial revolution, which _____ a lot to the take-off of the world.
| A．led | B．contributed | C．constructed | D．exposed |
The quality of a processed food largely ______ the raw material and the way it _______.
| A．relies on; processes |
| B．depends on; processes |
| C．depends on; is processed |
| D．decides on; is processed |
—Why is he feeling down today?
—Because the suggestion he________has been turned down.
| A．put away | B．put up | C．put down | D．put forward |
________in his test papers，he didn’t notice my coming.
| A．Having absorbed | B．Absorbed |
| C．Absorbing | D．To be absorbed |