_______ necessary for us _______ our environment clean and tidy.
| A．This is; keep |
| B．That’s; to keep |
| C．It’s; to keep |
| D．It’s; keep |
Could you get me some ______? I’m hungry
| A．apple | B．bread |
| C．butter | D．cake |
It was a bitter __________ when they decided not to give him a second chance.
| A．culture | B．beat |
| C．care | D．blow |
Mother said no. She didn’t even ___ me to explain the reason behind the decision.
| A．agree | B．allow |
| C．ask | D．advise |
Before 2003, there was no direct airline _____ Taiwan and the mainland.
| A．among | B．both |
| C．between | D．across |
Her father has __________ greatly since she saw him last time.
| A．aged | B．avoided |
| C．canceled | D．cheated |