Please do not feed the fish; they _____ die if they eat too much.
| A．shall | B．must | C．need | D．may |
When will the government _______ its position on equal pay for women?
| A．acquire | B．clarify | C．advocate | D．guarantee |
Having lived in China for 8 years, Helen has a good ______ of both English and Chinese．
| A．program | B．guidance | C．command | D．ability |
—How about seeing the new comedy tonight?
— I don’t like drama．
| A．It's not my cup of tea． | B．How come? |
| C．I'm right with you on that． | D．That's a deal． |
These animals are all used to their environment,______, they have learned how to live successfully in their habitat．
| A．however | B．for instance | C．what’s more | D．or rather |
－ I came all the way to inform you of the time and place of the meeting.
－You could have __________ yourself the trouble by calling me.
| A．shared | B．spared | C．cost | D．removed |