41. If it ______ for the fence, he ______ into the river.A. were not; fallen B. had not been; could have fallen C were not; could fall D. had not been; could fall
There is plenty of rain in the southeast, there is little in the northwest.
Don’t leave the water while you brush your teeth.
We arrive at six. But I’m sorry we are late.
We all feel it is Jack as well as his wife that ________ for their son's bad performance at school.
—Do you know Anna's telephone number? —________.As a matter of fact,I don't know any about Anna,either.