题目内容

You don't have to worry ___ we are here.

A.while
B.even if
C.though
D.until

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The population of Pennsylvania increased from 50,000 in 1730 to more than 200,000 in 1763, ___ to the thousands of Scotch Irish.

A.in effect
B.in consequence
C.in large part
D.at large

It is due to the invention of the computer that man has been able to work so many wonders in the past few years. A case ___ is the successful launching of space shuttle.

A.in point
B.in question
C.in a way
D.in brief

We won't encourage him to do that ___ he is in good health.

A.even if
B.in case
C.as if
D.when

Lying ___ far back in the mountains, the coal had to be hauled from a deep valley.

A.as it is
B.as it did
C.was it
D.did it