Nobody knows how the accident _________．The police are investigating it．
A．came out B．came about
C．came in D．came down
I tried to telephone Mary last night, but I couldn’t ________ after trying again and again．
A．get through B．get off
C．get into D．get down
History is the best teacher．It _________ records the development of every period, whether it is good or not．
A．faithfully B．typically
C．consequently D．superbly
The decision to inspect the middle school is _______ so that they can see the true situation of both teachers and students．
A．random B．serious C．mental D．normal
The cruel reality was ________ for him, so he decided to go on a beach vacation to relax and think about what he should do next．
A．unbearable B．unforgettable
C．unavoidable D．unbelievable
No matter how frustrated she was in her heart, she would _______ others with a smile as usual; she didn’t want to let them know．
A．inspire B．serve C．help D．treat
