At the meeting, Professor Lin __________some good advice and all the people present agreed with him.

Mr. Green, a famous writer, __________ our school next week.

Have you seen ____ pencil I left it here thismorning.—Is it _____black one I think I saw it somewhere.

What the teacher said in class set all the_____ a lot.

The number of the students in our grade ________about six _______,of them are girls.