The spread of the Ebola virus in Nigeria is believed ______ by August, 2014．（ ）
A．to be controlledB．to have been controlled
C．to controlD．to have controlled
考点：不定式
By the washing machine ______a pile of dirty clothes, and on the floor of the sitting room were newspapers, magazines and waste paper.（ ）
A．layB．laid
C．placedD．collected
The custom ______Roeman times; for detailed information_________the history book.（ ）
A．dating back to ;referring to
B．dates back to;refer to
C．dates from;referring to
D．dating from;refer to
The Subway Line 16 ______ in Beijing is planned to open this year．（ ）
A．being builtB．building
C．builtD．to build
- Have you heard about the shark attack accident at the SeaWorld show?
- Yea, how horrible! A trainer ______ in front of the audience．（ ）
A．had been killedB．has been killed
C．was killedD．is killed
My normal monthly emails to and ______ pen pals have disappeared with my tightschedule．（ ）
A．inB．for
C．fromD．through
