With economy rapidly _______,people are more and more concerned about health.
A.increased B.to increase C.increasing D.having increased
There is a lot of poisonous gases in the hall. If ____in, they can result in illness and even death.
A.breathed B.breathing C.to be breathed D.breathe
______the phone call, the construction site is crowded with workers full of joy and excitement.
A.On receiving B.As soon as receiving C.The Moment he received D.Receiving
—Shall we ask Bob to help us do the work ?
—Sure . Time _____and we have a lot to do tonight .
A.is run out B.is running out C.has been run out D.was run out
Was it in the beautiful park ___was located at the foot of the mountain ___we first met our foreign teacher?
A.which; where B.which; that C.which; which D.that; where
His expression suggested that he ____the invitation and he suggested full preparations _____.
A.had accepted; would be made B.accepted; be made
C.has accepted; make D.had accepted; be made
