–Do you know where David is? He is not in the office.
–Well, he ______ have gone far—his coat is still here.
A.shouldn’t B.mustn’t C.can’t D.wouldn’t
The days are gone physical strength was all you needed to make a living．
A.that B.when
C.where D.which
Though bought several years ago, the car is still in good .
A.situation B.condition C.standard D.position
In the past few years, more than 300 marine and island tourism and recreational zones ______ in the coastal areas, with a variety of marine features.
A.was developed B.have been developed
C.had been developed D.were developed
Just in front of our house____with a history of l,000 years.
A.does a tall tree stand B.stands a tall tree
C.a tall tree is standing D.a tall tree stands
One Friday, we were packing to leave for a weekend away ________ my daughter heard cries for help.
A.after B.while C.since D.when
