Every Monday, my English teacher would cheerfully ask me ______ my weekend had been．（ ）
A．thatB．ifC．whatD．how
- The zookeeper was really annoyed with me．
- How could he have been if you ______ stones at the animals?（ ）
A．didn’t throwB．don’t throw
C．hadn’t thrownD．haven’t thrown
We have an adviser on hand in this activity ______ you have any worries or problems．（ ）
A．whenB．now that
C．thoughD．in case
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
