— Miss Yang doesn’t look well. What’s wrong with her?— Oh, she has some trouble ______ her baby well.
A:take care of
B:looking after
C:taking after
D:to look after
填上适当的标点符号。
①____怎么回事____孩子呢____卡林焦急地问道____
②鬣狗一见____趁机向孩子猛扑过来____
金属的导热速度都相同。( )