You should have informed me that the lecture was canceled. I ________ all the way here through the heavy rain.
| A．mustn’t have run | B．can’t have run | C．shouldn’t have run | D．needn’t have run |
---How did your students express their thanks to you on Teachers’ Day?
---A gift together with many flowers ______ sent to me.
| A．is | B．are | C．were | D．was |
Only when I left for America ____________ how much I missed my parents.
| A．I realized | B．did I realize | C．I had realized | D．had I realized |
Tina apologized ______ her mother _________ breaking her favourite necklace.
| A．for; to | B．to; for | C．at; for | D．to; about |
Making friends is sometimes hard _________ when you don’t know what to say.
| A．specially | B．extremely | C．especially | D．finally |
They did the experiment in the lab _______ was named after Professor White.
| A．where | B．which | C．the one | D．what |