Many beautiful flowers bloom __________ spring. [ ]
A. on
B. in
C. at
答案：B
日新又新我常新，每个人都是变化发展的，所以正确认识自己，就要做到以全面的、发展的眼光看待自己。[ ]
— When will they leave?
— They _____ very soon. New term _____ on September 1st. [ ]
A. do leave; begins
B. are leaving; begins
C. have left; will begin
D. leave, is beginning
