The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.
A. what B. who C. that D. which
Between the two roads ______a TV tower.
A. stands B. standing C. which stands D. stand
_______I toured the Great Wall, I was deeply impressed with the beautiful scenery.
A. For the first time B. At first
C. It was the first time D. The first time
-----Why are you looking pleased?
----Oh, I’ve just had a job _________.
A. to offer B. offering C. offered D. being offered
As is known________ us, the actress is known________ her excellent acting
A. for; as B. to; for C. as; for D. to; as
The boss went into the house , the five boys in the rain .
A. left ;standing B. leaving ; standing C. left; stand D. leaving ; stand