I really can't understand ______ her like that．
A．you treat B．you to treat C．why treat D．you treating
Never before______ so highly successful in his attempts to forecast the weather accurately on
a small scale．
A．man has been B．man is
C．has man been D．will be man
The scientists predict that if present trends______, women in 400 years will be 2cm shorter
and have healthier hearts．
A．will continue B．continue
C．are continued D．will be continued
Bush, before Barack Obama, _______ Brown a similar gift, a leather bomber jacket．
A．gave B．have given C．would give D．had given
The students _____ busily when Miss Brown went to get a book she ____ in the office．
A．had written; left B．were writing; has left
C．had written; had left D．were writing; had left
With the world changing fast, we have something new ______with all by ourselves every day．
A．deal B．dealt C．to deal D．dealing
