——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?
There was no news;____, she did not give up hope.
I want to ring him___to know the reason why he rang___while I was speaking yesterday.
—— ______ shall we have to go? —— Another five miles.
The overcoat made ____ your measure also fits me.
The nice girl always dresses herself __ a splendid dress.