Some hard-working students always keep a torch in their domitories _____ there is a power failure.
| A．if | B．unless |
| C．so that | D．in case |
I haven’t seen you for a couple of days . What have you been up ____?
| A．in | B．to | C．with | D．for |
The study you have been making _____ the ancient Chinese characters is an instructive job.
| A．to | B．for | C．of | D．from |
____running , learning English needs will.
| A．As with | B．As to | C．As for | D．As if |
For miles around me there was nothing but a desert, without a single plant or tree ______.
| A．on earth | B．for distance | C．in sight | D．at place |
“How could you lose so much money?”Charlie asked his wife, eyeing her angrily from ____the kitchen table.
| A．at | B．across | C．through | D．on |