a x 3 + a + a + a x 4 = a x 3 + a x 2 + a x 4 = a x (3 + 2 + 4) = a x 9

số cần điền là số 9

.Give correct form of the words in brackets.

1. Our team played ( bad ) bad of all.

2. This flower is ( beatiful )more beatiful than that one.

3. This is the ( interesting )most interesting book I have ever read.

4, Non-smokers usually live ( long ) longer  than smokers.

5, I think the cow is ( useful ) most useful of all animals.

6, This is the ( good ) best  of the two.

7, She is ( careful ) careful than Jone.

8, Nagoya is one of (large) the largest cities of Japan.

9, New York is (large) larger than Seatle.

10, Summer is (hot) the hotest  season of the year.

6, Sắp xếp các từ cho sẵn thành câu hoàn chỉnh:

a, am/I/going/to/a/match/television/on/tonight/soccer/watch.

-> I am going to watch a soccer match on television tonight.

b, swimming/it/when/is/Ba/hot/goes.

->Ba goes swimming when it í hot.

c, aren't/apples/on/table/there/any/the.

-> There aren't any apples on the table.

7, Dựa vào các từ gợi ý sau để viết thành câu hoàn chỉnh:

a, Why/not/you/come/party/last night?

-> Why did not you come to party last night?

b, Today/Jone/not/class/he/sick.

-> Today, Jone does not go to class because he's sick.

c, Because/football/exciting/attractive/sport/lot/people.

-> Because football is exciting and attractive sport a lot of people.

Write sentences using the words given

1.is/ his/ what/ time/ mother/ at/ doing/ this/ ?

-> What is his ​mother doing at this time?