However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects.
#82856
A
lying in
B
calling in
C
taking in
D
resulting in
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All my pockets have been ________ but I can’t find my keys.
#64252
A
got through
B
given out
C
gone through
D
gone down
He managed to make himself ___ in his ___ English.
#83462
A
understand…breaking
B
understood…breaking
C
understand…broken
D
understood…broken
They looked disappointed because they didn’t  ______ the task on time.
#70959
A
clarify  
B
obtain
C
accomplish   
D
make
 We ________ contact with each other for years. And last week we ________ contact again.
#64078
A
lost; made
B
have been out of; got into
C
had been out of; made
D
came; kept