—Do you know the girl_______ is standing near the car?
—Of course! She is Helen, my classmate.
A. whose B. who C. which
I found _______ difficult to work out the problem.
| A．it | B．it’s | C．that | D．this |
The Greens used to live in London and now they ________ in Beijing.
| A．used to live | B．are used to live |
| C．are used to living | D．are used for living |
The train was travelling _______ low speed at that time.
| A．by | B．in | C．at | D．with |
— Have you ever been to Sanya? — Yes, ________already.
| A．sometimes | B．some time |
| C．sometime | D．some times |
—__________is it from Nanjing to Yangzhou? — About one hour’s bus ride.
| A．How long | B．How soon |
| C．How far | D．How many hours |