摘要： Do you know if back next week? If he back, please let me know. A. he comes; will come B. will he come; comes C. he will come; comes D. will he come; will come [析] 2. C.if既可引导宾语从句.也可引导状语从句.充当宾语从句的连接词时.相当于whether.词义是“是否 .充当状语从句的连接词时.词义是“如果 .从时态看.if引导宾语从句时谓语动词的时态应根据主句的时态作相应的变化,引导表示将来动作或状态的条件句时.若主句用一般将来时.则从句通常用一般现在时表示将来.
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--- Do you know if ________ back next week?
--- If he ________ back, please let me know.
[ ]
A．he comes; will come
B．will he come; comes
C．he will come; comes
D．will he come; will come
句型转换
Has J．K．Rowling sold over two hundred million hooks?Do you know？(合并为主从复合句)
Do you know if J．K．Rowling ________ ________ over two hundred million books?