When Jack rushed to the railway station yesterday, the train________.
| A．leaves | B．would leave | C．had left | D．is leaving |
（北京）—What were you doing when we were playing basketball yesterday afternoon?
—I________the classroom．
| A．was cleaning |
| B．have cleaned |
| C．will clean |
| D．clean |
My alarm didn’t________．So I woke up late．
| A．put off |
| B．go off |
| C．take off |
| D．get off |
There is a ruler on the ground．Please________．
| A．pick up it |
| B．pick it up |
| C．pick up them |
| D．pick them up |
I was staying at home and watching TV________the time of the rainstorm．
| A．for |
| B．by |
| C．at |
| D．in |
I________go to bed________my mother returned home．
| A．don’t；until |
| B．don’t；when |
| C．didn’t；until |
| D．didn’t；when |