You can watch TV ______, but you can’t watch it _____

You can watch TV ______, but you can’t watch it ______ a long time.

#51529

one, at

one, for

first, for

first, at

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I think ____ of the materials I listened to at the beginning of the exam ____ easy.

#51604

three fourths; is

third four; are

three fourths; are

three fourth; are

There are four ______ students in my school.

#51817

hundred

hundreds

hundreds of

hundred of

 -A ruler is 2 dollars and a pen is 5 dollars. How much are they? -They are

#51155

$22

—How old is Tom? —He is ____.

#51587

fourteen years

fourteen old

fourteen years old

fourteen year

--- How many books does the little boy have?---He has         books.

#51577

two thousands

one thousand of

thousands of

two thousands of

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