When a pencil is partly in a glass of water, it looks as if it ____.
| A．breaks | B．has broken | C．were broken | D．had been broken |
I ______ on a sofa because my grandparents have come for the weekend.
| A．slept | B．was sleeping | C．have slept | D．am sleeping |
Your uncle seems to be a good driver；______, I wouldn’t dare to travel in his car.
| A．even so | B．even though | C．therefore | D．so |
What an unforgettable experience! I’ll write it down _______ it is still fresh in my memory.
| A．since | B．after | C．while | D．until |
---- How was the television debate last night?
---- Super! Rarely______ so much media attention.
| A．a debate attracted | B．did a debate attract |
| C．a debate did attract | D．attracted a debate |
. We have finally finished it! When ______ the job if we had started it a week earlier?
| A．may we finish | B．could we finish |
| C．could we have finished | D．may we have finished |