They love their daughter so much that they are always ready to do everything they can ________ her happiness.
A. to make sure of B. make sure of
C. be sure of D. to be sure of
In the history of Chinese revolution, Taierzhuang Battle was a ________ battle in which both sides suffered heavy losses.
A. strong B. fierce C. hot D. peaceful
________ some teenagers don’t realize is ________ difficult life can be after they get
addicted to drugs.
A. That, how B. That, what
C. What, what a D. What, how
Please correct the mistakes ________.
A. if there are B. there are mistakes
C. if any D. if any mistakes
The ________ look on his face suggested he ________ that.
A. surprising, hadn’t expected B. surprising, should expect
C. surprised, wouldn’t have expected D. surprised, hadn’t expected
Attention, please! And keep ________ when I am taking a photograph of you.
A. still B. calm C. quiet D. silent
