——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?——____ my students have a try?
My daughter’s blue jeans _____ easily, and she can wash by herself.
When asked _____ they need most, the kids said they wanted to feel important and loved.
-----I like coffee with nothing in it. What about you? -----I prefer coffee _____ sugar.
----When did ______ accident happen? -----Let me see. It was on _____ very hot afternoon in August.
Whocanthinkofasituation__________thisidiomcanbeused?