________ the reason, it is for sure that yawning can be passed from person to person.
| A．Whatever | B．Wherever | C．Whichever | D．However |
—Did Jack come back early last night?
—Yes. It was not yet eight o’clock _______ he arrived home.
| A．before | B．When | C．that | D．until |
She is quite a different girl _____ she was five years ago.
| A．from | B．to | C．than | D．with |
Our football team will never take the defeat ____ down.
A. sittingB lying C. going D. climbing
Would you ____ help me?
| A．mind to | B．be kindly enough to | C．be so good | D．be so good as to |
Why don't you do it ____ other way?
| A．by | B．with | C．some | D．any |