、单项选择 1. —____ do you usually do your homework every day?—At about 5:30 in the afternoon. A. How B. What C. What time 2. Wang Hao seldom takes ____ subway to school. A. a B. an C. the 3. —We usually take a bus ____ home. How about you?—I ride a bike. A. to B. go C. / 4. —How do they go to work?—They go to work ____ their car. A. by B. in C. on 5. —When is the zoo open?—The zoo is open from 9 a. m. to 6 p. m. ____ weekdays. A. on B. at C. in