Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
| A．might | B．should | C．can | D．will |
I was about to go to bed _____ one of my old classmates made a call to me.
| A．when | B．as | C．while | D．that |
After Yang Liwei succeeded in circling the earth, Chinese astronauts __________ walk in space.
| A．anxious to do | B．eager for | C．are dying to | D．are longing to |
Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
Is _______ some German friends visited last week?
| A．this school | B．this the school | C．this school one | D．this school where |
-- We are going to hold a sports meeting tomorrow.-- __________ it rains?
| A．How about | B．What if | C．If only | D．Even if |