for a long time he has been __ the causes of sleep
for a long time he has been __ the causes of sleep
He has been __(wake) for a long time
It ___that he has been ill for a long time
He has been looking_____her pen for a long time
1.The existence of oil wells has been known for a long time.
适当形式填空 :The little baby has been _____(sleep) for a long tim
请问He has been waiting for his brother for a long time.是什么时态,
翻译:He has been waiting for his brother for a long time.
英语填空题练习 It_______ that he has been ill for a long time.A see
It __that he has been ill for a long time.a.seems b.looks c.
It -- that he has been ill for a long time 为什么选择A呢 Aseems B
He has been ill for a long time and is unlikely to r___