Your passport application form should be（）by two recent photographs.

单项选择题It is very convenient to pay by（）card.

A.credit
B.creditable
C.creditor
D.credibility

单项选择题His wife is a（n）（）housekeeper.

A.corresponding
B.thrifty
C.economic
D.respective

单项选择题The fields were（）every year by the run-off water from the mountains.

A.fertilized
B.dropped
C.digested
D.starved

单项选择题The picture（）the seriousness of pollution on our planet.

A.derails
B.depresses
C.depicts
D.derives

单项选择题The heat in the（）air rising from the kitchen and bathroom is recovered by the pumps.

A.dank
B.moist
C.drought
D.digestive