二．单项选择（共20题，每题1分，共20%）
21. He is wearing sunglasses to_____ his eyes from the strong sunlight.
A. protect B. hold C. stop D. prevent
22. He was told that it would be at least three more months______he could recover and return to work.
A. when B. before C. since D. that
23. It is the ________ for Westerners to celebrate Christmas .
A. habit B. manner C. custom D. way
24. This is a place where children can play without_____, but if you are really_____, please call the number 991.
A. in danger; dangerous B. danger; in danger
C. dangerous; dangerous D. in danger; in danger
25. —How many passengers were in the plane? —It _____100, 20 Japanese_______.
A. contained; included B. contained; including C. included; contained D. contained; containing
26. If we don’t take steps, the Tibetan antelopes and pandas will _____ some day just as dinosaurs, which is terrible.
