In the last few years, China ____ great achievements in environmental protection.
A.has madeB.had made
C.was makingD.is making
_____ the early flight, we ordered a taxi in advance and got up early.
A.CatchingB.Caught
C.CatchD.To catch
It is the third time that she has won the race, ______ has surprised us all.
A.thatB.whereC.whichD.what
Sit down, Emma.You will only make yourself more tired,________on your feet.
A.to keepB.keeping
C.having keptD.to have kept
We __________back in the hotel now if you didn’t lose the map.
A.areB.were
C.would beD.will be
Nowadays people become more and more practical and buy only ____they need.
A.whereB.whichC.whenD.what