1. 20th تكتب:

Twentieth

Twentith

Twientieth

Twentiyth

2. second يتم اختصار كلمة:

rd

st

nd

th

3. في سباق ل10 خيول من يصل قبل الأخير الى خط النّهاية يكون ترتيبه:

Tenth

First

Ninth

nine

4. One billionth

1,000

1,000,000

10,000

1,000,000,000

5. He is going to leave his job in the........... day:

previous

preceding

following

fifth

6. We will do much more in the next twenty years than in the ................ one hundred.

following

preceding

subsequent

second