For a moment nothing happened. Then ________ all shouting together.
| A．voices had come | B．came voices | C．voices would come | D．did voices come |
Can you tell me ________ get to the chemistry lab ?
| A．where can I | B．where I can | C．how can I | D．how I can |
The teacher told the students ________ so much noise.
| A．not make | B．not making | C．not to make | D．don’t make |
I feel it a great honor _________ to give a speech to you.
| A．invited | B．to invite | C．having invited | D．to have been invited |
The government is ___ everyone to save water.
| A．appealing | B．appealed for | C．appealing of | D．appealing to |
I couldn’t help________ the computer because I was not free at that time.
| A．repairing | B．repair | C．to repairing | D．repaired |