问题
Your colleague is speaking English with fluency. —It’s no wonder．She ____ inthe UK for a year as a visiting professor．
A:of helping
B:to help
C:of to help
D:hasbeen working
B:to help
C:of to help
D:hasbeen working
正确答案是：
同类题型
Shanghai is larger than_________in Jiangsu, and it is larger than_________ in China.
Today the Zhongxin Department store is on sale .Many things have ______prices .
How are you feeling today—________ I think I can go to the picnic with you tomorrow.