__________ is said that the terrible accident happened at midnight.
| A．What | B．That |
| C．it | D．Which |
If you want to study the nature of the universe, first of all, you must be clear about its ________.
| A．traditions | B．consequences | C．signs | D．origins |
---Do you think I can pass the test?
---________, I’m afraid.
| A．You can | B．Of course | C．Not a chance | D．A little bit |
________ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise.
| A．Freed | B．Freeing | C．To free | D．Having freed |
Few people paid full attention to their health conditions ________ they were seriously ill.
| A．when | B．if | C．until | D．after |
Children, in my opinion, ________ creative ability is unthinkably rich, ________ is seldom taken notice of by us, should be trained in that area.
| A．which; that | B．whose; which | C．which; which | D．whose; that |