Students do less homework now. Usually it ________ before 9 o’clock in the evening. 答案(
A. finishes
B. finished
C. is finished
D. was finished
Meimei is going to be an older sister. Her parents are planning to have their ________ child. 答案(
A. one
B. two
C. first
D. second
It was late. She opened the door ________ because she didn’t want to wake up her grandma.
A. angrily
B. quietly
C. loudly
D. heavily
Chen Wei isn’t at school today ________ he is taking a robot competition in Shanghai.
A. so
B. because
C. before
D. if