一．单项选择。（15分）
( ) 1. We can’t live _______ air or water.
A. with B. without C. if no D. haven’t
( ) 2. There are some birds ____the tree and also some apples _____the tree
A. on, on B. on, in C. in, on D. in, in
( ) 3. Two ____ trees have been planted along t he lake since 1998.
A. thousands of B. thousand of
C. thousands D. thousand
( ) 4.It’s a fine day. Let’s have a walk ____ the sunlight.
A. of B. with C. in D. under
