10. JK Rowling ____________ Harry Potter and the Globet of fire

written                             was written             wrote

The fire _______________ an electrical fault.

is caused

was caused by

caused by

12. 

Which is in passive voice?

is going

is being

is done

has been

13. Mr. Harris will plan the meeting tomorrow. Passive voice =
The meeting was planned by Mr. Harris.

The meeting is planned by Mr. Harris

The meeting will planned by Mr. Harris.

The meeting will be planned by Mr. Harris

14. The judge ________________ Smith to five years in prison
was sentenced

sentenced

5. Most of the food ____ at the party.
ate

eats

is eaten

was eaten

6. The car door ________ by vandals twice this year. 
has been scratched

is scratching

was sratching

was being scratched

7. Cheese ____ from milk.
makes

make

made

is made

8. Mike's car ______. 
has been stolen

stole

steals

has stolen

9. He ____ a letter two hours ago.
was sent

is sent

sends

is being sent

1. the house ______________________yesterday
was cleaned

was cleaninng

is cleaning

is cleaned

2. the salary _________________ every month
is being paid

is paying

is paid

is being paying

3. when __________________tennis _______________?
was ________invented

is _____________invented

is ________________inventing

was being _____________invented

4. Harry Potter and the Goblet of Fire ______________ by J K Rowling
 
was written

wrote

writes

1. the house ______________________yesterday

cân bằng
HNO3+ Ca(Oh)2-->

Câu 1: Hoàn thành các phương trình phản ứng sau, nếu có.
a) K + H2O → b) Ca + HCl →
c) Ca + H2O → d) Mg + HCl →
e) Al + H2O → g) Fe + H2SO4 →
h) Cu + H2SO4 → i) Mg + CuSO4 →
k) Ag + CuSO4 → l) Zn + AgNO3 →
m) Fe + AgCl → n) Ba + CuSO4dd →
o) K + FeCl3dd → p) Fe + Fe(NO3)3 →
q) Cu + Fe2(SO4)3 → r) Al + FeCl3 dư →
s) Aldư + Fe(NO3)3 → t) Ba + NaHCO3dd →

Câu 2: Hoà tan hoàn toàn 9,65g hỗn hợp X gồm Al và Fe bằng lượng dư dung dịch H2SO4 2M , thu được 7,28 lít khí(đkc) và 500 ml dung dịch Y. Nhỏ từ từ dung
dịch NaOH 1M vào Y cho đến khi bắt đầu xuất hiện kếtt tủa thì hết 350 ml, đến khi kết tủa cực đại hết V1 ml và đến khi lượng kết tủa không đổi hết V2 ml.
a) Viết các phương trình phản ứng đã xảy ra.
b) Tính %m các kim loại trong X.
c) Tính nồng độ mol/l các chất tan trong Y.
d) Tính V1 và V2.
e) Nếu đem lượng kết tủa cực đại đi nung trong không khí đến khối lượng không đổi thì thu được m gam rắn Z. Tính m.