The scientist’s many years’ careful observation ____ a surprising discovery.
| A．ran into | B．began with | C．led to | D．came from |
__________ ! There is a car coming towards you.
A Watch out B Look up
C Take care of D Be careless
–You’ve given us a wonderful Chinese dinner, Mrs Wang.
--__________.
A Oh, I’m afraid I didn’t cook very well
B I’m glad you enjoyed it
C Come again when you are free
D It’s not necessary for you to say so
Guilin is the most beautiful place _____ people all over the world want to visit.
A where B why C what D that
The Yellow River is _____ the Pearl River.
A twice long as B twice as long as
C as twice longer as D as long twice as
He used to visit his parents _____, but he is too busy to call on them now.
A every second weeks B every two weeks
C every a few weeks D every two week