— Do you think the of this skirt suits me?
—Of course! You always look beautiful in red.
| A．size | B．design | C．price | D．color |
---Must I clean the floor now?
---__________. It is too dirty.
| A．Yes, you needn’t | B．No, you needn’t |
| C．No, you mustn’t | D．Yes, you must |
---How long may I _____________ the book?
---Two weeks.
| A．borrow | B．lend | C．buy | D．keep |
These aren’t my keys. Mine ___________ in the drawer.
| A．is | B．are | C．am | D．were |
The old man is too tired _________ go any further.
| A．enough | B．can’t | C．to | D．so |
His father is __________ engineer and he works __________ research.
| A．an, on | B．an, with | C．the , on | D．a, with |