Today，we’ll discuss a number of cases ________ parents have much difficulty in communicating with their children.

The loss has not yet been _______ accurately, but it is believed to be well beyond a hundred million dollars.

The terrible drought has captured worldwide attention. As responsible citizens, we must never ______ the terrible situation that our common home is faced with.

.Not only I but also David and Iris ______ fond of playing basketball.

．______twoarticles to write today，I have to stay at the classroom to make it.