he has been playing the piano for a long time(改为一般疑问句)
1.He likes playing the piano.(改为一般疑问句)
Mary has been playing the guitar for two hours.(改为一般疑问句) ---
It ___that he has been ill for a long time
He has been looking_____her pen for a long time
He has been __(wake) for a long time
句型转换1.He is playing the piano now?(改为一般疑问句)--------- he ----
for a long time he has been __ the causes of sleep
He has long legs.改为一般疑问句
1.---“ _______ has Mary been playing the piano?”---“ For thr
Mary likes playing the piano.改为一般疑问句,并回答
I like playing the piano.(改为一般疑问句)
请问He has been waiting for his brother for a long time.是什么时态,