Hello！May I speak to Mary，please？
（ ）
A．I don't think so
B．I am Mary
C．Hurry up，please
D．This is Mary speaking
Hello， John． This is Mike． What are you doing now？
I'm watching a film on TV． It_____at 7：30 and will be on for another hour．（ ）
| A． |
starts |
| B． |
started |
| C． |
has started |
_____we leave the library before 5 o'clock？
No， you needn't． You can stay here until 5：30．（ ）
| A． |
Must |
B． |
May |
C． |
Can |
Jack， can you swim_____the river？
I don't think I can． It's too wide for me．（ ）
| A． |
over |
B． |
across |
C． |
through |
Your idea _____ good． Let's give it a try and see if it will work．（ ）
| A． |
sounds |
B． |
smells |
C． |
looks |
Excuse me， may I take the dog with me， sir？
_____．Pets are never allowed in． You can keep it in the Animal Centre next door．（ ）
| A． |
Yes， please |
| B． |
It's up to you |
| C． |
I'm afraid not |