D
第一空就是过去时,叙述一件事情
have been training hard in the last 3 years
三年来我们一直努力训练
用完成进行时可以表示一直在进行的动作,如:
He has been doing his homework the whole morning.
他做了一上午作业了(现在还在做)
D
第一空就是过去时,叙述一件事情
have been training hard in the last 3 years
三年来我们一直努力训练
用完成进行时可以表示一直在进行的动作,如:
He has been doing his homework the whole morning.
他做了一上午作业了(现在还在做)