My last job lacked variety; I __________ the same things all the time.
| A．did | B．have done | C．was doing | D．have been doing |
Not until _______ 18 years old _______ a right to vote.
| A．have you reached; can you have | B．have you reached; you can have |
| C．you have reached; can you have | D．you have reached; you can have |
--Who is the person talking with you just now?
-- Well, if you ______ know, his name is David.
| A．may | B．can | C．must | D．shall |
Alice， _______ university teacher from Australia, teaches me ______ English in her spare time.
| A．an; / | B．a; the | C．an; the | D．a; / |
It is morning _____ we have four classes, not afternoon.
| A．when | B．which | C．that | D．why |
In the reading room, we found her _____ at a desk, with her attention ______ on a book.
| A．sitting, fixing | B．seated, fixed | C．sit, fixing | D．sitting, fix |