I was trying to carry out the plan, but I failed.—Well, you _________, for we were uncertain it would do ________.

The 2012 Summer Olympic Games ______,taking place in London for a third time this summer.

Given that (鉴于) you feel so stressed , you _____ as well take a weekend break to relax yourself.

the respect for universal rights, our respect for different cultures, and our _________ to international laws that guide China’s openness to other countries.

suppose you need more people to do the work.—Don’t you know “Three helping one another _________ the load of six”?