Chia động từ trong ngoặc.

1, I (hear) from my mother every week.

2, What you (do) tomorrow ? I (do) my house work.

3, She (like) (cook). She (cook) now.

4, When I (do) my home work, the phone (ring).

5, I (not meet) him for 3 months.

6, My mother used to (tell) me a story before sleeping when I (be) small.

7, I (receive) a nice watch from my darling last week.

Tìm x, biết:

a, x³-25x=0

b, 4x²-9-x (2x-3)=0

Phân tích các đa thức sau thành nhân tử.

a, xy²-9x

b, x²+14x+49-y²

c, xy (x-y)+yz (y-z)+zx (z-x)

Viết lại câu giữ nguyên nghĩa.

1, That girl is very intelligent.

-> How ....................

2, I'll phone you tomorrow evening.

->I'll make.......................

3, Is this her camera?

-> Does this...............................

4, She had dinner and then she watched TV.

-> After the..............................

5, I made decision. First I thought carefuly about it.

-> Before I.................................

6, I have no idea what time it is.

-> I dont.......................................

7, I'm lucky because I have many good friends.

-> I'm lucky....................................

8, The table is too heavy to lift up.

-> The table is'nt light..........................