A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..
| A．made, which is used | B．which is made, is used |
| C．made, being used | D．is made, used |
-- I was wondering if we could go skiing on the weekend.
-- _______good.
| A．Sound | B．Sounded | C．Sounding | D．Sounds |
When_______help, one often says “Thank you.” or “It’s kind of you”.
| A．offering | B．to offer | C．to be offered | D．offered |
__________, he talks a lot about his favorite singers after class.
| A．A quiet student as he may be | B．Quiet student as he may be |
| C．Be a quiet student as he may | D．Quiet as he may be a student |
--–Can I speak to Mr Wang, please?
--________.
| A．Who are you ? | B．I’m Wang | C．Speaking | D．Are you Zhang |
-- You haven't lost the ticket, have you?
-- _________. I know it's not easy to get another one at the moment.
| A．I hope not | B．Yes, I have | C．I hope so | D．Yes, I’m afraid so |