1.Tom can sing and dance well (not only - but also)

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2, Mai will request Dat to make a dificult exercise(have)

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3, My father and i are both 54 kilograms (the same)

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4, The man had his daughter buy the cheaper shirt( ..have +ST+PP)

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5, I find learning English is very interesting (HOBBY)

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6. i think learning English is very interesting(THINK)

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7,Phuong walked to school last year (went)

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8, Du find walking in the rain boring (like)

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Choose the best answer to complete each sentence or do as directed.
1. Nga looked _________this morning, didn’t she?
A. happily B. happy C. happiness D. happier
2. They are used _________outdoors and under pressure.
A. to work B. to be working C. to working D. worked
3. It’s hot here. Open the window, _________?
A. shall you B. will you C. shall we D. don’t you
4. _________newspapers are cheap, up-to-date, and convenient for most readers in the world.
A. Economical B. Electricity C. Economic D. Electronic
5. We should practice _________conversations if we want to improve our speaking skill.
A. everyday B. every day C. each day D. day
6. They suggested that we _________to the gym after work.
A. should go B. going C. go D. A & C
7. It’s very noisy here. I cannot concentrate _________my lesson.
A. in B. for C. by D. on
8. _________poverty, he always helps children in need.
A. Despite of B. Though C. In spite of D. Because of
9. _________him this book if he comes.
A. Gave B. Give C. Giving D. Given
10. Choose the world whose underlined part is pronounced differently from the rest:
A. them B. think C. though D. with
11. Choose the word which has different stress pattern from the rest:
A. increase B. bamboo C. follow D. goodbye
12. We cannot swim in this part of the river _________the water is highly polluted.
A. because of B. though C. since D. so
13. I was very surprised _________the information about the strange alien.
A. for B. at C. with D. to
14. How are you getting on? - _________.
A. I am getting on well B. I am getting well
C. Great D. I am stronger
15. She asked me what _________.
A. is my name B. my name is C. my name was D. my name
16. I have two brothers, one of _________is a teacher.
A. them B. who C. that D. whom
Supply the correct form of the words in parentheses to complete the sentences.
17. Ba can draw well. He wants to be a famous __________________. (ART)
18. Where can I sign up for a __________________card? (MEMBER)
19. Babbage was born in 1791 and grew up to be a brilliant __________________. (MATH)
20. He is very __________________to those who are less fortune than him. (HELP)
21. There are many __________________in exhaust of cars. (POLLUTE)
22. Terrible rainstorms cause floods in the South American _________countries. (COAST)
Complete the following sentences with correct tenses of the verbs.
23. Thousands of people (save) __________________because scientists had warned them about the volcanic eruption.
24. Tet is a festival which (occur) _________in late January or early February.
25. Recently, there (be) __________________a lot of changes in our city.
26. All buildings in Sweden (heat) __________________by solar energy in 2015.
27. If the weather were better today, we (go) __________________on a picnic.

1. A: I'm annoyed about........(be) late.

B: Well, I told you...............(set) off in good time, didn't I?

Ở chuột 2 cặp tính trạng màu lông và chiều dài đuôi do hai cặp gen nằm trên NST thường phân li độc lập và không có tính trạng trung gian. Biết lông đen tính trạng trội hoàn toàn so với lông nâu và đuôi ngắn là tính trạng trội htoàn so với đuôi dài.

Cho Pthuần chủng khác nhau về 2 cặp tính trạng tương phản màu lông và chiều dài đuôi giao phối với nhau thu dc F1, tiếp tục cho F1 tạp giao với nhau thu dc F2.

a) Hãy lập sơ đồ lai từ P đến F2

b) nếu cho F1 nói trên lai phân tích thì kết quả thu dc sẽ như thế nào?