You will fall behind others_______ you work hard.
| A．if | B．unless |
| C．though | D．since |
Do I need _________ for London tonight?
| A．leave | B．to leave | C．leaving | D．leaves |
You need three bananas and ___________.
| A．cut up them | B．cut up it | C．cut them up | D．cut it up |
— Why not have a drink in the bar? — _________ .
| A．Right. | B．It’s OK. | C．You’re welcome. | D．Good idea. |
How do you make a __________ milk shake?
| A．banana | B．bananas | C．a banana | D．the banana |
Look! There are __________ on the desk.
| A．four glasses of milk | B．four glasses of milks |
| C．four glass of milk | D．four glass of milks |