has Bob been collecting stamps? — Since he was 8 years old. [ ]

people will visit Qinzhou during the 12th Games of Guangxi.

How did the Chinese doctors get to Haiti (海地) to help the people there? — They got there ______ plane. [ ]

Paul learns English ________. He often goes to the English Corner at weekends.

What’s this scarf made _____ ?—Silk.[ ]