问题
It is obvious that on no account _____ to the teacher that he has done the homework on his own.
A:this is the first time he is lying
B:this is the first time he has lied
C:is this the first time has he lied
D:is this the first time he has lied
B:this is the first time he has lied
C:is this the first time has he lied
D:is this the first time he has lied
正确答案是：
同类题型
I don’t know when my son ________ back. When he_________ back, I’ll call you.
What are you doing now?– I’m talking to Mary online. She ___ from Canada a few days ago.
I feel tired and sleepy. —Why not stop ______?
It is important that we _______with all that _______ in the struggle.
Why must we invite him to our discussion? —-Her opinion because of her experience.