【单选题】儿童常晒太阳可预防下列那种疾病: ( )
【单选题】Big Ben is the name of a clock.
【单选题】Big Ben is in _______. [ ]
【单选题】The Big Ben is in _________.
【简答题】Big Ben is not the name of a man. It is the name of a big clock in London. London is the capital of England. This clock has four faces. So, no matter (无论)where you stand, you can read the time on the ...