It wasn’t ________ they found that there was much trouble ________ the plan.
| A．long before; to carry out | B．long before; carrying out |
| C．before long; with carry out | D．before long; in carrying out |
________ is mentioned(提及) above, the number of the students in senior high
schools is increasing.
| A．Which | B．It | C．What | D．As |
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．Wh at, what a |
D．What, how |
Please correct the mistakes ________.
| A．if there are | B．there are mistakes |
| C．if any | D．if any mistakes |