When the man came in, gun in hand, we all stood there, ________.
| A．frightened | B．frightening |
| C．being frightened | D．having frightened |
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 |
Jack told us that his class ________ sixty-four students.
| A．made up | B．made of | C．consisted of | D．consisted in |