問題詳情:
--- Argon, can I borrow your textbook?
--- Sorry, not _____ you help make a note of what the teacher says.
A. unless B. if C. when D. since
【回答】
A
知識點:連詞
題型:選擇題
問題詳情:
--- Argon, can I borrow your textbook?
--- Sorry, not _____ you help make a note of what the teacher says.
A. unless B. if C. when D. since
【回答】
A
知識點:連詞
題型:選擇題