问题
选择题
The programs ______ easily if you use a short-wave radio. [ ]
A. can pick up
B. pick up
C. will pick up
D. can be picked up
答案
答案：D
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The programs ______ easily if you use a short-wave radio. [ ]
A. can pick up
B. pick up
C. will pick up
D. can be picked up
答案：D