My friend said she _____to my house the next Monday.

Due to the widespread ________ of this medical technology, more diseases can be discovered and treated at an early stage.

______ cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.

________ in a heavy traffic jam is quite an unpleasant experience. [ ]

Boys and girls, you ____ talk in class, or you will miss something important.