The “eat-up” campaign, ______ by Xu Zhijun and his three friends, has raised awareness of food waste all over the country.
| A．started | B．starting | C．to be started | D．to start |
They will fly to Washington, ______they plan to stay for two or three days.
| A．which | B．where | C．there | D．when |
—I’ve told Nancy many times about the meeting, but she still forget it!
—I understand. Actually, anyone ______ be very forgetful at times.
| A．must | B．should | C．ought to | D．can |
— David, keep ______ in mind that you have to be home by 10 o'clock.
— OK, Mom, I will.
| A．/ | B．me | C．this | D．one |
The lift ______ and we were trapped inside it.
| A．broke down | B．broke up | C．broke out | D．broke in |
______ all my homework unfinished, I am not allowed to go online to play games.
| A．As | B．For | C．Without | D．With |