—Howaboutyourtravel?—Youcanhar

—How about your travel?
—You can hardly imagine what difficulty we have had ______ the vast desert.

A．exploring

B．explored

C．to explore

D．explore

登录免费查看答案和解析

相关试题

Up to now, our society ________ with limited living space and a shortage of natural resources.

A．has been challenged	B．is being challenged
C．is challenging	D．has challenged

收藏答案/解析

—Will you see me off at the airport at ten tomorrow morning?
—Sorry, I ________ a lecture then.

A．will be giving	B．will give
C．give	D．have given

收藏答案/解析

—The rain ________ fast and heavy.
—You should ________ some shelter. Look at you—you are all wet.

A．is coming; find	B．comes; have found
C．came; find	D．came; have found

收藏答案/解析

I had wanted to help you last night but I couldn't spare any time, for I ________ a composition which I have to hand in this morning.

A．wrote	B．was writing
C．had written	D．have written

收藏答案/解析

—How is your cousin, Kate?
—She broke her leg and ________ medical treatment since.

A．is receiving	B．has received
C．received	D．has been receiving

收藏答案/解析