It’s well known that good relationship between two countries __________ the development of mutual culture and economy.

Kangkang, will you _____ your photos _____me tomorrow —OK.

It is believed that a new kind of drug ______ by the scientists and they are hopeful that they will succeed in a few months

Nobody would stand out admitting the fact, for some reason, ________ they lost the game

Here_____my friends. They like sports.