—He thinks that girls are smarter than boys when it comes to learning English．
—But two years ago he thought____．
| A．so | B．otherwise |
| C．opposite | D．different |
"We can't go out to play football in this rainy weather," said Bob, ________ out of the window disappointed.
| A．look | B．to look | C．looked | D．looking |
The twins were so much alike; I could hardly ________ Tom.
| A．pick up | B．pick out | C．pick off | D．pick at |
By far, there are many problems ________ to be solved.
| A．remaining | B．remained | C．being remained | D．to remain |
I don't think _________ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |
The patient was warned ________ oily food after the operation.
| A．to eat not | B．eating not | C．not to eat | D．not eating |