切口愈合的情况分为三级，乙级愈合是指（ ）
A．切口愈合良好
B．切口愈合欠佳
C．切口化脓
D．切口裂开
E．切口感染
参考答案：B
The baby is crying. Can you make him ______ ? [ ]
A. to stop to cry
B. to stop crying
C. stop to cry
D. stop crying
Harry has two tennis rackets. He takes _____ to school every day.[ ]
A. it
B. these
C. them
