问题

Paul, _______ for years to make money, finally paid off his debts.

A:struggled
B:struggling
C:having struggled
D:to struggle

正确答案是：

同类题型

Hissisterlefthomein1998,and_________since then

It’s known to all that Shanghai is bigger than _____________in Jiangsu.

Did you see the film star—________，I couldn’t make it. I was delayed by the traffic.

September 10th is the Day.

_____ you keep on trying, I really don’t mind whether you can come up top in your class