In China students greet the teachers when classes begin.
| A．are suppose to | B．are supposed to |
| C．suppose | D．supposed to |
Following the traffic rules can help us____ accidents.
| A．influence | B．repeat | C．produce | D．avoid |
Nowadays Wechat is____used by people for communicating, sharing, chatting, and so on.
| A．lastly | B．exactly | C．widely | D．nearly |
All the teachers love Mary. She is veryin answering teachers' questions in class.
| A．polite | B．direct | C．active | D．lively |
Those who would like to help others always have more chances to help____．
| A．them | B．themselves | C．us | D．ourselves |
The movie was so funny that all of us kept laughingstopping.
| A．for | B．by | C．with | D．without |