—Could you please tell me_______?
—Sorry, you can turn to Mr. Lee for help.
| A．how long can man live without water |
| B．how long could man live without water |
| C．how long man can live without water |
| D．how long man could live without water |
Look! The students ________ an art class in the park.
| A． |
have |
B． |
were having |
C． |
had |
D． |
are having |
—Mom, could I ________ the TV? I want to watch the news about space.
—Of course. And don’t sit too close.
| A． |
turn on |
B． |
turn off |
C． |
put on |
D． |
put off |
Lili ________ be at home. She has gone to the farm to pick apples.
| A． |
mustn’t |
B． |
can’t |
C． |
must |
D． |
can |
The Qinghai Lake is ________ lake in China. It is in Qinghai Province.
| A． |
large |
B． |
larger |
C． |
largest |
D． |
the largest |
My birthday ________ is a toy panda. It’s from my grandma.
| A． |
trip |
B． |
month |
C． |
gift |
D． |
color |