Two _____ died of cold last winter.
| A．scores of old people | B．score of old people |
| C．scores of old peoples | D．score of old peoples |
Teachers recommend parents their children under 12 to ride bicycles to school for safety.
| A．not allow | B．do not allow | C．mustn’t allow | D．couldn’t allow |
Every year a flood of farmers arrive in Shenzhen for the money-making jobs they before leaving their hometowns.
| A．promised | B．were promised | C．have promised | D．have been promised |
More and more high-rise buildings have been built in big cities space.
| A．in search of | B．in place of | C．for lack of | D．for fear of |
The girl had hardly rung the bellthe door was opened suddenly, and her friend rushed out to greet her.
| A． | before | B． | until | C． | as | D． | since |
Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai Province after the earthquacke.
| A．sending | B．to send | C．having sent | D．to have sent |