—Doctor Brown, what's your next project going to be about?
—Well, that remains .
| A．to see | B．to be seeing |
| C．to seeing | D．to be seen |
Rather than __________ in the crowded bus, they preferred __________ home.
| A．to ride; walk | B．riding; walking |
| C．ride; walk | D．ride; to walk |
My son prefers us to email each other once a week __________ spend half an hour on the phone every night.
| A．other than | B．rather than |
| C．otherwise | D．instead of |
The suggestion that is worth __________ is that the students should learn something practical.
| A．being considered | B．to be considered |
| C．to consider | D．considering |
—Hi, which university do you prefer?
—Well, I've been considering __________ to Harvard University.
| A．to go | B．going |
| C．gone | D．being going |
She had just finished her homework __________ her mother asked her to practice __________ the piano yesterday.
| A．when; playing | B．while; to play |
| C．after; play | D．since; played |