.________they were singing, the teacher came in.
| A．Before | B．after | C．As | D．Until |
I often heard the song _____ in English.
| A．singing | B．being sung | C．sung | D．sing |
---- Were all the passengers on the bus injured in the accident sent to hospital?
---- No, _____ only the four who got hurt seriously.
| A．there was | B．there were | C．that was | D．it was |
The elderly need special care in winter, as they are_____ to the sudden change of weather.
| A．sensitive | B．sensible | C．positive | D．curious |
----I’ve looked everywhere, but I haven’t found any black ink.
----Then, I’m afraid there is ________left.
| A．nothing | B．no one | C．none | D．neither |
—What do you think of "Supergirl", the reality TV show?
— I can't help _____ it. I got _____ whenever I watched it!
| A．to love, exciting | B．to love, excited | C．loving, exciting | D．loving, excited |