--- Who’s singing in the bathroom?
--- It ________ be Mr. Brown. Nobody sings like that except him.
| A．will | B．must |
| C．could | D．should |
—How do you go home every day？
—________ bike．It’s not far from here．
| A．On |
| B．In |
| C．With |
| D．By |
—Can you tell me ________ to travel to Dalian？
—About two hours by plane．
| A．how much it costs |
| B．what I should take |
| C．how long it takes |
| D．which is the best season |
It took Janet three hours ________ reading this interesting story．
A．to finish
B．finished
C．finishing
—How many teachers are there in your school？
—About four ________．
A．hundreds of
B．hundred
C．hundreds
She is a ________ girl with two big eyes．
A．six-years-old
B．six-year-old
C．six years old