In the past few years there _________great changes in my hometown .
A. have been B. were C. had been
一Look at the girl with a pair of glasses over there．Can you tell me _______?
一She is a nurse．
A．who is she B．who she is C． what she is
－What shall we do tomorrow?
－_______it rains hard, we’ll stay at home.
A. So B. Since C. If
The twins made a special meal for _____father on Father’s Day.
A. they B. their C. them
－Oh, the traffic is too heavy.
－Let’s change ________route to the airport.
A. another B. other C. the other