a) Tam giác ABC cân tại A nên ABC = ACB (t/c tam giác cân)

=> ABC/2 = ACB/2

Mà ABD = CBD = ABC/2 ACE = BCE = ACB/2

Nên ABD = CBD ...

1. I am interested in learning english.

2. Next Tet, I will get lucky money from my parents.

Although it is raining hard, she wants to go out.

...

I

1.C

2.A

3.D

4.C

5.B

II

1.A

2.D

3.B

4B

5.D

1.B

2.D       3.D       4.D       5.D     6.B      7.C 

II

1.D      ...

I

1.d      2.b      3.d      4a         5.b

II

6.b    7.a    8.c      9 ...

1. I love music, so I wish to attend the Rock in Rio because it is the most famous music festival.

2. People listen various types of music there.

3. On May 5th, Japanese people celebr ...

1. If you are calm, you won't make a wrong decision.

2. These wonderful poems were written by a great poet.

3.Because of rained heavily, Jane didn't go fishing yesterday.

4.Vie ...

a, I will call you up.

b,We will go swimming.

c,He will resign the Captain title.

d,We will heap it and burn it down.

e, They will work with their hand.

f, She wi ...

Ex 3

1. Peter is not young enough to see...

2. Don't forget to turn off the light before going out.

3.What an intelligent girl.

4. I am going to come over to pick you up ...

1. This book will be translated into Vietnamese.

2.Nelson Mandela presented the medals.

3.The fire couldn't be done anything to put out.

4. Your friends shouldn't be expected t ...