四 单项选择 15%
( ) 16 Picking oranges was _______ hard work,but they really enjoyed it.
A a B an C the D /
( ) 17 Unless Gina ____ early tomorrow, she will miss the early bus.
A doesn’t leave B leaves C will leave D leave
( ) 16 Picking oranges was _______ hard work,but they really enjoyed it.
A a B an C the D /
( ) 17 Unless Gina ____ early tomorrow, she will miss the early bus.
A doesn’t leave B leaves C will leave D leave