He said that we should protect the ancient civilization from _______.
A．losing B．lost C．being lost D．to lose
She told us what she bought yesterday ________ a few apples and some clothing.
A．is B．are C．was D．were
Do you know that Yuan Longping is known as ______ father of hybrid rice (杂交水稻)?
A．/ B．the C．a D．an
He didn’t come to school yesterday _______ that he was ill.
A．because B．for C．in D．if
It was _________ that everyone like to read it.
A．a so interesting story B．so an interesting story
C．a story so interesting D．so interesting a story
It was ______ 7:30 that he _________ home yesterday, so his parents were very worried.
A．until; not got B．not until; got C．until; didn’t get D．didn’t until; got
