It is important to keep industrial waste from entering the rivers and lakes. If we do not do so, efforts to protect the environment will ____________.
A.Go down the drain B.suck it and see
C.make the headlines D.smooth the way
—You know, Bob, the mid-term exam is approaching.
—You are telling me! We______, preparing for it.
A.have been working hard ; B.will be working hard
C.were working hard D.had worked hard
Although alcohol is legal, it can damage the liver and do great harm______consumed in large quantities.
A.even if B.once C.While D.unless
The young man,_________of committing cybercrime against a company, was arrested and interviewed by the police.
A.having suspected. B.being suspected C.suspected D.having been suspected
We lost in the quarterfinal mainly because our two key player______hurt in the first five minutes of the game.
A.boomed B.drafted C.retired D.wrestled
My school kids,_______parents most have gone to work in cities, are left behind and taken care of by their grandparents.
A.whom B.whose C.of whom D.of whose