From mother’s love, patience and understanding, I have learned what a huge responsibility______ is to raise a child.

Some people would rather ride bicycles as bicycle riding has _____ of the trouble of taking buses.

 The cost of oil is less than _______ of gas.

 Many people have been ill from a strange disease these days,       we’ve never heard of before.

 — He got his first book published. It turned out to be a bestseller.— When was __________?—__________ was in 2000 when he was still in college.