--- This history book is of great value. --- Exactly. ____________ can be enjoyed from it ____________ you have a deep understanding of it, however.
#55378
A
Nothing; unless
B
Few; till
C
Something; until
D
Little; since
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The earth will become worse and worse ________ we do something to stop her from being polluted.
#55977
A
if
B
even if
C
when
D
unless
.—_____? —I usually play tennis.
#56077
A
Why do you play tennis
B
What do you usually do on weekends
C
When do you play tennis
D
Where do you play tennis
—Let me help you carry the box.—No, thanks. It’s big, __________ there is nothing in it.
#55894
A
and
B
so
C
but
D
Because
It’s snowing heavily outside. Put on your coat,_________ ,you’ll catch a cold.
#55237
A
and
B
or
C
though
D
but