Tìm x và y, biết:

2^x+3 . 5^y = 20^y

đúng rồi đó!1000000000000000000000000000000000000000000000000000000000000000000000000% luôn

154 - (-46) = 154 + 46 = 200

I. chia động từ

1.What you (do)...........recently.

2.Where you (be) ..........? - I (do) ...........experiments in the lab.

3.They (go) ............home and (have) ...........lunch.

4.He (teach) ..........in a big in town.

5.My sister (be) ..........her room. She (write) ..........a letter to her friend.

6.Tom (be) ..........to HN twice. He loves it very much.

7.She (not/eat) ...........too meat because she is afraid of being fat.

II. dùng từ gọi ý viết thành câu hoàn chỉnh

1.Tu / fins / play / table tennis / interesting / because / he / play / it / best friend.

=>...........................................................................

2.My brother / not like / ice-skating / because / think / it / dangerous.

=>............................................................................

3.Why / not / you / get up / early / do morning exercise? It / help / you / keep fit.

=>............................................................................

4.Nam / I / love / water / so / we / go / surf / together / every summer.

=>............................................................................

5.You / need / parient / to make / beautiful / gifts / eggshells.

=>.............................................................................

6.I / think / you / take up / jogging / because / it / suitable / health condition.

=>..............................................................................

III. viết lại câu để nghĩa không đổi

1.When did you buy this shirt?

=>How long...........................?

2.Daisy often drinks more milk than Mary.

=>Mary drinks.........................?

3.Is this the first time they have ever seen an action movie?

=>Are...........................?