The college has developed an on-line system ________students can choose their own professors.
| A．where | B．when | C．that | D．which |
The teacher was _____in thoughs when I came to see him.
| A．deeply | B．stuck | C．losing | D．absorded |
______, he couldn’t get the door open.
| A．Might as he try | B．As he might try | C．Try as might try | D．Try as he might |
I don’t believe_____: he said he had finished his homework by himself.
| A．you | B．him | C．that | D．this |
----Can I buy a Friday’s air ticket for London?
----- I’m sorry. But there no tickets____ for Friday’s flight.
| A．left | B．convenient | C．available | D．useful |
This wine isn’t bad; I’m begining to_______ a taste for it.
| A．be used to | B．acquire | C．achieve | D．attain |