_______ such heavy pollution already, it may now be too late to clean up the river.
A.Having suffered | B.Suffering | C.To suffer | D.Suffered |
Tired and disappointed, the rescue team finally reached _____ used to be a village.
A.where | B.that | C.when | D.what |
Noise is unpleasant, _____ when you are trying to sleep.
A.especially | B.specially |
C.extremely | D.naturally |
So hard-working _____ that he sets a good example to all the other classmates.
A.he is | B.is he | C.does he | D.he does |
With more and more forests _____, many animals are facing the danger of dying out.
A.to destroy | B.destroying | C.destroyed | D.to be destroyed |
As we all know, China is a developing country, _____ attracting more and more foreigners.
A.the one | B.one | C.it | D.that |