—She looks very happy. She ______ have passed the exam.
--I guess so. It’s not difficult after all.
| A．should | B．could | C．must | D．might |
.In front of me_______, where many athletes from all over the world will compete for Olympic gold medals.
| A．stands the Water Cube | B．stand the Water Cube |
| C．the Water Cube stands | D．does the Water Cube stand |
.Just as I was leaving the classroom, it ________ to me that I forgot to turn the lights off.
| A．happened | B．occurred | C．hit | D．struck |
.I’ll never forget the years______I lived in the country with the farmers,______ has a great effect on my life.
| A．that;which | B．when;which | C．which;that | D．when;who |
By the time my parents reached home yesterday, I _____ the dinner already.
| A．had cooked | B．cooked | C．have cooked | D．was cooked |
You should make it a rule to leave things ______ you can find them again.
| A．when | B．where | C．then | D．which |