Women , to air pollution before giving birth to a baby, are more likely to give birth to children with heart defects, researchers reported on December 29.
| A．exposed | B．exposing |
| C．are exposed | D．are exposing |
— Why is little Jimmy so naughty today?
— He is bored, so he _____ a little silly.
| A．will be | B．is being | C．had been | D．would be |
— Real Madrid is sure to win the match!
— It's hard to say. You know, anything _____ happen even in the last minute.
| A．can | B．must | C．should | D．need |
Thomas set off, leaving word with his daughter _____ he would come back soon.
| A．who | B．when | C．what | D．that |
Our train was two hours ______ because of strong winds and heavy rains.
| A．late | B．later | C．latest | D．lately |
_____ computer has been proved to be _____ important aid in classroom teaching.
| A．The; an | B．The; the | C．A; the | D．A; / |