With so much noise of the traffic, I couldn’t ____ and do my research work.
| A．put down | B．settle down | C．break down | D．take down |
It is said that _________ mobile telephone was invented not very long ago.
| A．a | B．the | C．one | D．不填 |
.Come and see me whenever_________.
| A．you will be convenient |
| B．it will be convenient to you |
| C．you are convenient |
| D．it is convenient to you |
His father died and _________ him a lot of money.
| A．gave | B．left | C．sent | D．offered |
The bad weather meant_________ the rocket launch for 48 hours.
| A．delaying | B．delayed |
| C．to delay | D．having delayed |
Tom likes to _________ this kind of cap on.
| A．wear | B．have | C．put | D．dress |