— Can you come on Friday or Saturday? — I’m afraid ______ is possible.I will go to the hospital to look after my friend.
I am really upset about tomorrow’s exam. I am always so slow. _______! You can pass it. You have been working hard on it, haven’t you?
The heavy rain ______ us ______ going there.
No one can prevent the plan _____________.
It isn’t an excuse for your failure ___________ you didn’t know the rules
_____________ we all know is that destroying nature means destroying ourselves.