______ clean the classroom is! Who cleaned it01

intelligent people can often ________ the complex, a fool is more likely to complicate the simple.

different figure ________ eachtime I add them, you see—-Something must be wrong with thecalculator

Do you know _______ they got to know each other? —- It was last year_______ they both taught Chinese in Scotland.

girl is the exchange student from the UK—Look, the tall girl under the tree over there is!