On April 1, Jim tried to play a trick ______ his teacher but the teacher wasn’t taken ______ .
| A．by; on | B．in; in | C．on; in | D．on; on |
It can’t be a(n) __________that another big fire broke out in the same restaurant in three months.
| A．accident | B．incident | C．chance | D．coincidence |
Our school forbid __________, that is to say, we are not allowed __________at school.
| A．to smoke; to smoke | B．smoking; smoking |
| C．smoking; to smoke | D．to smoke; smoking |
Mrs. Smith has been teaching in a school since she graduated, so she is not __________ to associating with business people.
| A．addicted | B．devoted | C．admitted | D．accustomed |
__________ was known to us all that Tom had broken his promise __________ he would give each of us a small gift.
| A．It; that | B．What; that | C．As; which | D．It; which |
—John always thinks of others instead of himself.
—So she does. It is __________ of him to offer help to others.
| A．aggressive | B．ridiculous | C．typical | D．stressful |