Dr, Robert Bell went to New York , bought some books ___ his daughter.
A. visiting B. to visit C. and visited D, visited
Father made a promise_________ I passed the examination he would buy me a bicycle.
| A．that | B．if | C．whether | D．that if |
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 |