短语填空

I am _______ communication with him on this subject
I doubt Tom ___________passing the examseven if he tries harder than before.
—I have an appointment today.
—Oh well, _________let’s make it another day, shall we?
We should be pay special attention to the development of the situation. We should also tell our friends to be careful of it ____________（也）.
________ ________ ________ _______ (至于) learning English, he has no superiority.
我沿着街道走着，听着音乐。I walked along the street, ________ ________ the music.
I’ll do it more carefully ________it will take me hours.
It was sunny just now.But______the sky was covered with dark clouds.
The robbers __________ and looted (抢劫)the warehouse.（货栈）
While in the lab,you should ______the teacher’s ______