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1. Mr. Wang has been teaching _____ he left school.
A. before B. after C. when D. since
2. I have many books and I even_____ in boxes.
A. has stored them B. have them stored C. has them stored D. have them store
Ò»£® µ¥ÏîÑ¡Ôñ (20·Ö)
1. Mr. Wang has been teaching _____ he left school.
A. before B. after C. when D. since
2. I have many books and I even_____ in boxes.
A. has stored them B. have them stored C. has them stored D. have them store

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