赞题库-背景图
单项选择题

—My baby has a heart trouble. —Did the doctor find it difficult______.

A．in treating
B．treating
C．for treating
D．to treat
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热门试题

单项选择题—How can I clean my coat —You ought to have your coat______.

A．clean and press
B．cleaned and pressed
C．cleaning and pressing
D．cleaning and pressed

单项选择题— I'd like to invite you to dinner this Saturday, Mr. Smith. —______.

A．Oh, no. Let's not
B．I'd rather stay at home
C．I'm very sorry, but I have other plans
D．Oh, no. That'll be too much trouble