问题补充：
Luis isa lot of stress right now because he has been addicteddrugs.
A. on; to
B. under; to
C. with; into
D. in; in
答案：
A. on; to
(答案→)B. under; to
C. with; into
D. in; in
解析：本题考查固定搭配。under a lot of stress有压力；be addicted to sth对……有瘾；对……着迷。
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