The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest.
| A．since | B．when | C．as | D．while |
20. His sister left home in 1998, and______since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
19. He has made a lot of films, but___________good ones..
| A．any | B．some | C．few | D．Many |
18. I can' t leave. She told me, that I_____stay here until, she comes back.
| A．can | B．must | C．will | D．May |
17. —Have you heard the latest news?
—No, What______？
A
. is it B. is there C. am. they D. are those
16. My friend showed me round the, town,_____________was very kind of him.
| A．which | B．that | C．where | D．It |