Don’t talk about such things _______ you are not sure about.
A.which | B.that | C.as | D.what |
After going into the concert hall, the mother _____ a friend and went over to greet him.
A.searched | B.knew | C.spotted | D.realized |
According to the school rules, no student __________ go out of the school after eleven o’clock at night without the teacher’s permission.
A.will | B.must | C.may | D.shall |
Going on a trip into space must be quiteexciting experience.
A./ ; the | B.the; the | C.the; an | D./ ; an |
After the school sports, our headmaster ______ the prizes.
A.gave away | B.gave in | C.gave off | D.gave up |
________ to sunlight for too much time will do harm to one’s skin.
A.Exposed | B.Having exposed |
C.Being exposed | D.After being exposed |