1 . You must pass the examination to get ________ for the course.

A．visa

B．source

C．credit

D．detail

2 . When you are abroad, you’ll need some cash in local currency but you can also use your c_________ card for convenience. (根据首字母单词拼写)

3 . _______ his credit, the boy gave back the money he found and became a responsible man. (用适当的词填空)

4 . Most vegetables we buy in winter are planted in the ________.

A．package

B．credit

C．arrangement

D．greenhouse