It ___ to be raining when we went to see him off at a railway station.
| A．happened | B．had happened | C．took place | D．took |
Is English Literature a(n)____ lesson, or does everyone have to learn it?
| A．potential | B．typical | C．optional | D．critical |
Traveling is a good way to different cultures and broaden the mind.
| A．expand | B．explore | C．expose | D．export |
The children were required to wear new school clothes, but Kim couldn’t afford .
| A．one | B．some | C．any | D．that |
_____news that the national football team was disqualified for the next World Cup finals came as no___ surprise at dll .
| A．/；a | B．The; / | C．A; a | D．The; a |
Henry had just given himself for lost ______ he was spotted by a ship.
| A．when | B．while | C．as | D．after |