问题
The poor old man with his two daughters ___ in the street
A:was seen to beg
B:were seen to beg
C:was seen begged
D:were seen begging
B:were seen to beg
C:was seen begged
D:were seen begging
正确答案是：
同类题型
The weight-loss pills really ______ and she is becoming slimmer and slimmer
Being determined is a kind of quality andthat’s ________ it takes to do anything properly
The cake is too expensive. Would you like to show me a _______one —Sure. Here you are.
You are lucky enough to escape ______ after making such a mistake.