It was the belief _____ Alex Haley could find his“root” in Afric______ made him decide to go to Gambia

I didn’t see your sister at the meeting. If she__________, she would have met my brother.

China has the _____ population in the world.

in Haikou _______ more than 80 farmers received about 2.89 million yuan year-end bonus on Jan 8, 2015.

I used to be able to play well but I’m _____ now