Ⅱ. 单项填空(共15小题; 每小题1分, 满分15分)
21. In ______ space lab, ______ three astronauts, including China’s first female astronaut Liu Yang, woke up shortly before 5 a. m. on Sunday, two hours before their usual time.
A. a; a B. the; the C. a; the D. /; the
22. (2012·启东高二检测)—Tony, do remember to send the report to the sales manager!
—______.
A. Made it B. Got it
C. Heard it D. Followed it
23. —Please remember to give Mary the money you have owed her.
—Yes, I will give it to her ______ I see her.
A. while B. the instant
C. suddenly D. once
24. (2012·洛阳高二检测)In those successful deaf dancers’ opinion, dancing is an activity ______ sight matters more than hearing.