The wider China opens its door to the outside world, the more people find _____important and necessary to study foreign languages.

Susan made______ clear to me that she wished to make a new life for herself. 

---What about the monthly test? Is it easy?---Yes, but I don’t think________ pass it.

--How many eggs are still there in the fridge, Bill? ---_____.

 The fact that she can't talk makes      ________  difficult for her to communicate with her new classmates.