There_______ some rice and some vegetables on the table.

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

Leave your key with your neighbor you lock yourself out one day

ite recently, most mothers in Britaindid not take paid work outside the home．

The unemployment rate in this districtfrom6% to 5% in the past two years