To the parents’ worry, some middle school students are ______ computer games and completely forget their studies.
#74219
A
crazy about
B
very fond of
C
concerned for
D
serious about
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The gas tank____________ twenty gallons of gas, but now it may____________ only three gallons.
#83371
A
holds; contain
B
holds; be contained
C
is held; contain
D
is held; be contained
The lawyer was going through the documents(文件)____ immigration(移民)laws. 
#66135
A
related with
B
related to
C
relating to
D
both B and C