— Look, it _____ be Jack who is at the gate of the library.It _____ be him. He has gone abroad.may; must B. must; mayn’t C. must; can’t D. can; mayn’t
The factory was built in a secret place, around _____ were high mountains.
The teachers were discussing the research project that they would like to see _____ in the coming holiday.
--- It’s the office! So you ______ know smoking is not allowed here. --- Oh, sorry.
On the day I was to take the driving test, so ______ was I that I could not understand what I was
The house rent is expensive. I’ve got about half the space I had at home but I’m paying _____ here.