Has your daughter come back from Australia?
Yes. She ______ there for three years( )
has stayed
stays
stayed
had stayed
There are a few towers in Zhuzhou, and the TV tower near the Yandi square is the .( )
A.tallB.tallerC.tallest
______he was poor himself, he tried his best to help the people in need.( )
A.BecauseB.ThoughC.After
The last BeiDou navigation satellite (北斗卫星导航) successfully last month.( )
A.was sent upB.sent up
C.has sent up
On the phone her father asked her then.( )
A.what was she doingB.what she was doing
C.when she was doing
That be Mary. She has gone to Changsha on business. ( )
A.can'tB.mustC.may