<span>1) Perpendicular means at right angle to another line or plane
2) Triangles have three sides.
3) Squares have four sides and their sides are equal.
4) Tranles, squares and rectangles have four sides</span>
<span>1. news a) items
2. report c) review
3. television a) box
4. to quit b) to stop
5. to be keen on c) to be interested in
6. gripping a)exciting </span>
1)will suffer
2)continues
3)don*t do
4)will die
5)won*t survive
<span>1.Poka typist typed documents, I talked to the chief engineer.
2. -What did you do on Monday from 8 am to 10 pm?
-Finish Exam.
3. -You was busy yesterday, did not you?
Yes, I wrote the article.
-Zhal Yesterday in the university of the lecture was very interesting.
4. Who are you talking to when I met you?
-C My cousin.
5. Last night we were at home. I read the whole evening. My wife was watching TV, and the children were playing chess.
6. What do you discussed at yesterday's meeting?
-We Talked about our plan.
7. Who helped you do your homework?
'I did <span>it myself.</span></span>
<span>1.Tanya and her sister stayed with us today.
2.You can't play on the comouter.Dad using it.</span>