1.___ useful book can help you gain new knowledge.
A. A
B. An
C. The
D. /
2.___ Yangtze River is the third longest river in the world.
A. A
B. An
C. The
D. /
3.Tom plays ___ basketball every afternoon after school.
A. a
B. an
C. the
D. /
4.There are about two ___ students in our school.
A. hundred
B. hundreds
C. hundred of
D. hundreds of
5.She is ___ honest girl who always tells the truth.
A. a
B. an
C. the
D. /
6.___ Spring Festival is one of the most important festivals in China.
A. A
B. An
C. The
D. /
7.My father’s ___ birthday is coming next week
A. forty
B. fortieth
C. fourty
D. fourtieth
8.___ English is a global language used in many countries.
A. A
B. An
C. The
D. /
9.We visited ___ Great Wall during our trip to Beijing.
A. a
B. an
C. the
D. /
10.Three ___ of the students in our class are girls
A. fifth
B. fives
C. fifths
D. fifth’s
11.Can you pass me ___ book on the shelf?
A. a
B. an
C. the
D. /
12.In ___ 1980s, personal computers became popular.
A. a
B. an
C. the
D. /
13.He is ___ university student majoring in computer science.
A. a
B. an
C. the
D. /
14.She plays ___ violin for an hour every evening.
A. a
B. an
C. the
D. /
15.___ dogs are known for their loyalty to humans.
A. A
B. An
C. The
D. /
16.He won ___ first prize in the math competition.
A. a B. an C. the D. /
B. an
C. the
D. /
17.The box is ___ times heavier than the bag.
A. three
B. third
C. three’s
D. thirds
18.We usually have ___ lunch at 12:30 pm.
A. a
B. an
C. the
D. /
19.Can you give me ___ second chance to finish the task?
A. a
B. an
C. the
D. /
20.___ Pacific Ocean is the largest ocean on Earth.
A. A
B. An
C. The
D. /