Someone is ringing the doorbell. Go and see ______.
| A．who is he | B．who he is |
| C．who is it | D．who it is |
．(上海卷35).the city centre, we saw a stone statue of about 10 metres in height.
| A．Approaching | B．Approached | C．To approach | D．To be approached |
（上海卷33）. Lucy has a great sense of humour and always keeps her colleagues_______with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
（上海卷32）. I had great difficultythe suitable food on the menu in that restaurant.
| A．find | B．found | C．to find | D．finding |
（浙江卷20）. The traffic rule says young children under the age of four and __ less than 40 pounds must be in a child safety seat.
| A．being weighed | B．to weigh | C．weighed | D．weighing |
（浙江卷8）. The experiment shows that proper amounts of exercise, if __ regularly, can improve our health.
| A．being carried out | B．carrying out | C．carried out | D．to carry out |