. "What ?" "I my key and can't open the door."
| A．happened, lost | B．has happened, lost |
| C．happens, have lost | D．has happened, have lost |
Don’t mention that at the beginning of the story, or it may _____ the shocking ending.
| A．give out | B．give off | C．give up | D．give away |
I felt surprised that anyone of his intelligencesuch an easy test.
| A．might have failed | B．could have failed |
| C．should have failed | D．must have failed |
I was feeling left out in the new school ________Alice, an easygoing girl from Canada, came to stay with me.
| A．if | B．once | C．when | D．unless |
_________withagoodeducationcanapplyforthejob.
| A．Who | B．Whoever | C．Anyone | D．Whomever |
—Why didn’t you finish the task? —I didn’t think it is ________ the effort.
| A．worthwhile | B．deserving | C．valuable | D．worth |