Where are the visitors from?—_______from South Africa

I preferred _______the long jump rather than ________in the relay race in the school sports games.

As nobody here knows what is wrong with the machine，we must send for an engineer to______the problem.

＿＿seemed a hopeless wait, four coal miners trapped in the mine for 125 hours were finally rescued in Heilongjiang Province.

I like __________ my bike __________ weekends.