—What a great cook your sister is!
—Yeah! We ______ never have enough of her cookies．
| A．may | B．must | C．should | D．can |
Whoever leaves the room last must ______ that all the lights are turned off.
| A．is sure | B．make sure | C．find out | D．look out |
---- _____? ---- You were saying you sold the house and left your hometown.
| A．How come | B．Like what? |
| C．Do you have the time | D．Where was I |
Suddenly, the lightning flashed through the clouds, nearly ____ Paul.
| A．beating | B．blinding | C．burning | D．touching |
Keep up good state of mind even if you _____ fail plenty of times.
| A．must | B．will | C．can | D．should |
I can’t remember when exactly the Robinsons left _____city ,I only remember it was ______ Monday. 。
| A．the , the | B．a ,the | C．a, a | D．the, a |