The number of people in the world ______ about 6 billion and large quantities of waste ________ each year.
You may not have played very well today,but at least you've got through to the next round and.
Choosing the right dictionary depends on_______you want to use it for.
—Have you _______some new ideas? —Yeah.I’ll tell you later.
At the end of the meeting,it was announced that an agreement_______.
-She looks very happy.Shehave passed the exam. -I guess so.It's not difficult after all.