一、单项选择。（15分）
（ ）21、I would like to _______ food to homeless people at a food bank.
A . give out B. give up C. take out D. cheer up
（ ）22、What _______ you ________when she came in? .
A. did; do B. are; doing C. do; do D. were; doing
（ ）23、Where was Davy ________ Linda was looking for him?
A. that B. while C. at D. where
（ ）24、The old man finally fell ______.
A. asleep B. sleep C. sleeps D. sleeping
（ ）25、_______ it was very late, he went on working.
A. Although B. Because C. Since D. As
