— Do you have any trouble in English?
—Yes, _______ complete conversations.
| A．to make up | B．make up |
| C．making up | D．to making up |
Some of my friends are interested in science,but none of them can tell_____.
| A．when UFOs will appear next time. |
| B．why do horses know the way. |
| C．where was this kind of plant found. |
| D．how do elephants communicate. |
—I’m worried about the coming test.
—You should work hard for it,_____you’ll have to take it again.
| A．and | B．or | C．but | D．however |
—Have you got everything_____you need to take for the trip?
—Yes.I have got everying read.
| A．who | B．where | C．that | D．when |
Rober will start a driverless taxi service,so don’t feel surprised when you see a taxi coming_____a driver.
| A．by | B．of | C．without | D．with |
—Could you help me with my English now?
—Yes,I_____.
| A．can | B．could | C．must | D．should |