There wastimethis kind of skirt was very popular.
| A．a; that | B．a; when | C．the; that | D．the; when |
The soldiers soon reached ______ was once an old temple ______ the villagers used as a school.
| A．what , where | B．what , which | C．where , which | D．what , where |
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 |