People often live a hard life _________.
—does the math class begin? —At about 9 o’clock. A. How B. How often C. What time
It’ time lunch. A. toB. for C. Have
—I like English very much. —What do you think it ? A. of B. in C. on
My brother goes swimming. He can’t swim. A. never B. always C. usually
--What is Tom doing now ? --He is _______ on the playground.. A. run B. runing C. Running