Look at the sign ! Trucks are not allowed to go the city center .
—— What do you think of Mr. Black?. —— He’s very kind and he always others his help.
—— Who made a phone call to you just now, David? —— I don’t know, but it was a girl’s .
He asked the man outside ________. A. what is he doing. B. for whom he was looking C. how long he has been waiting
Changsha is _______ than any other city in Hunan Province. A. the busiest B. much busier C. busy
— _______ is the plane taking off? —In twenty minutes. A. How far B. How longC. How soon