________ the course very difficult，she decided to move to a lower level.(2013·北京，24)
| A．Find | B．Finding |
| C．To find | D．Found |
— 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 |
A 3G mobile phone, ______to be most useful and fashionable, is popular with some teenagers.
| A．consider | B．considering | C．considered | D．to be considered |
She will have to ______ herself to the new condition.
| A．change | B．fit | C．suit | D．adjust |