—Didyoufindthemissingcoupleint

—Did you find the missing couple in the mountain yesterday?
—No, but we ________ to get in touch with them ever since.

A．have been trying

B．have tried

C．are trying

D．were trying

登录免费查看答案和解析

相关试题

During the students’ first teacher training year, they often visited schools for the _____ of lessons.

A．examination

B．investigation

C．inspection

D．observation

收藏答案/解析

Not knowing what version of iPad to choose, _____．

A．some advice was given to Barbara	B．Barbara had to consult her IT teacher
C．so Barbara had to consult her IT teacher	D．Barbara's IT teacher gave her some advice

收藏答案/解析

．It was commanded that the coal mine survivors ____ to the nearest hospital for treatment．

A．must send

B．be sent

C．would be sent

D．should send

收藏答案/解析

．—What's your plan for this July?
—I will take a bullet train to Fuzhou for my holiday _____ school ends．

A．while

B．until

C．unless

D．immediately

收藏答案/解析

．It seems to some experts that 56．com, youku．com and tudou．com _____ 90% of the video market in this area．

A．make up

B．put up

C．set up

D．take up

收藏答案/解析