He fell off the bike ________.
| A．while he rode | B．while he was riding | C．while he is riding | D．while on bike |
People who won’t work should be made _____.
A. work B. to work C. working
_____ this kind of question often asked in your class,Ann?
A. IsB. DoesC. Has
He almost fell down.But he _____.
A. didn’tB. doesn’tC. won’t
The money _____ real. In fact,it’s not.
A. isB. looksC. must be
You _____ tell anybody about this——it’s a secret.
A. can B. mustC. mustn’t