The research on the new flu virus vaccine ischallenging and demanding. Who do you think can do the job—____ my students have a try

He didn’t feel a bit nervous when ________.–No. He’d had a lot of time ________ for it after all.

24 China Construction, an edition de luxe is not a weekly or bimonthly magazine but it comes _____ every season (quarterly)

The control of ________ bird flu in China finally proved to be ________ great success.

The shop was not far from here, so they went there on foot by bus