It’s the third time that Li Ming has been to Xi’an , _______?
Whoever is never ______ with the progress he has made will be a success.
Canada is a country ________ many different nationalities as well as one with foreign immigrants __________ the majority of its population.
It wasn’t until dark _________ he found _________ he thought was the correct way to solve the problem.
The editor-in chief asked me to write an article for him, ______ about AIDS patients in China.
_________ the exact departure time, he missed his train.