The policeman told the children ______ in the river.It's too dangerous!
A．to not swimB．not to swim
C．not swimD．not swimming
Roald Dahl was a great children's writer．His dark past helped him paint a picture______ was different to most other writers．（ ）
A．thatB．whoC．/D．whom
____ amazing concert Li Yundi gave in Linyi!．（ ）
A．How anB．HowC．What anD．What
Cindy's grandmother is learning ____ the new mobile phone．（ ）
A．useB．usesC．usedD．to use
In many eastern European countries，you are supposed to ______ your gloves before shaking hands．（ ）
A．take offB．shut offC．cut offD．put off
They have collected more than 14，000 books since the library_____ last month．（ ）
A．builtB．was builtC．buildsD．is built