I'm too busy _______ my homework _______ walk my dog every day.
| A．to do; to | B．doing; to | C．to do; / | D．doing; / |
Lily and I are good friends, often help each other.
| A．You | B．We | C．They | D．She |
________ is the population of the city?
| A．How many | B．What | C．How many people | D．How much |
We need to buy a new car. This old car won’t ______ for very long.
| A．last | B．take | C．spend | D．drive |
What do you think ______solve the problem ?
| A．you can do | B．can you do | C．you can do to | D．can you do to |
Is this factory ______you visited last week?
| A．that | B．where | C．the one | D．in which |