问题

Lucy didn’t do well in this exam, ______ made her mother quite unhappy.
A:that
B:it
C:which
D:this
B:it
C:which
D:this
正确答案是:
同类题型
The course normally attracts 20 students per year, ________up to half will be from overseas
Please _________ the light when you leave the classroom.
Mom , I was the first to reach the top of the mountain .— Good job, Jack! I ‘m ______ of you.
__________ is the cost of the trip to Nanjing — About forty yuan per person.