The universe began with the Big Bang 13.7 billion years ago, with everything___ in space smaller than a grain of sand.
| A．started | B．starting | C．to start | D．to be started |
Come and see me whenever _____.
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．You will be convenient to you |
He is made ______ monitor of our class．
| A．a | B．the | C．one | D．不填 |
Long ago, man used to ______ with his hands but now man is used to ______ with machines, and sometimes a robot is used to ___ instead of people.
| A．work, working, work | B．work, working, working |
| C．working, work, working | D．working, work, work |
There is no need ______ because Mr. Smith is still sleeping.
| A．hurry | B．hurrying | C．to hurry | D．hurried |
Mr Smith, _____ of the _____ speech, started to read a novel.
| A．tired; boring | B．tiring; bored | C．tired; bored | D．tiring; boring |