Ex1 ko có verb à

Ex2

1 like

2 listen

3 wears

4 teaches

5 do

6 goes

7 comes

8 goes

9 watch

10 walks

11 is

12 washes

13 studies

14 wants

15 plays

16 buys

17 studies

18 tries

19 washes

20 cries

21 says

22 flies

23 don't have

1 is

2 are

3 is

4 am

5 are

6 is

7 is

8 are

8 are

10 is

11 are

12 is

13 am

14 are

15 are

2:

a: A={x∈N|1<=x<=5}

b: B={x∈N|x<=4}

c: C={x∈N*|x<=4}

d: D={x∈N|x chia hết 2; x<10}

e: E={x∈N|x ko chia hết cho 2; x<50}

f: F={x∈N|x chia hết cho 11; x<100}

3:

a: A={4}

=>Có 1 phần tử

b: B={0;1}

=>Có 2 phần tử

c: C=∅

=>Ko có phần tử

d: D={0}

=>Có 1 phần tử

e: E=N

=>Có vô số phần tử

Kẻ CF//AB thì CF//DE

Do đó \(\widehat{BCF}=\widehat{ABC}=40^0;\widehat{FCE}=\widehat{CED}=30^0\) (so le trong)

Vậy \(\widehat{BCE}=\widehat{BCF}+\widehat{FCE}=30^0+40^0=70^0\)

sụt sùi; tấm tức, rưng rức, nức nở; tức tưởi

Nức nở, rưng rức, sụt sịt

Hok tốt !!!!!!!!!

những từ láy cùng nghĩ với từ thút thít là : nức nở, sụt sùi, sụt sịt, ti tí, rưng rức, hu hu, ...

   nhớ k cho mk nha

làm ơn giup mk với

16 seeing

17 was sent

18 hadn't flied

19 being taken 

20 saw

21 had gone

22 were these photos taken

23 did we discovered

24 to tell

25 would have gone

26 be put

27 to concentrate

28 spoke

29 confused 

30 had he arrived

31 C

32 A

33 B

34 C

35 C

36 B

37 C

38 C

39 B

40 C

41 achivement

42 disappearance

43 popularity

44 passionate

45 opposition

Câu 5: 

\(A\ge-1\forall x\)

Dấu '=' xảy ra khi x=2

Câu 5:

Ta thấy \(\left(x-2\right)^2\ge0\Rightarrow A\ge-1\)

Dấu "=" xảy ra khi \(\left(x-2\right)^2=0\Leftrightarrow x-2=0\Leftrightarrow x=2\)

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6. They would rather Nam didn't smoke in the office.

7. You should practice speaking English every day.

8. What did you talk to him last night?

9. It isn't easy to learn English in a short time.

20. Your room is larger and more comfortable than ours.

6.      They would rather Nam not smoking in the office.

7.      You should practice speaking English every day.

8.      What did you talk to him about last night?

9.      It’s not easy learning English in a short time.

10.  Your room is larger and more comfortable than ours.