Measures have been taken to solve the problem, but it may be some time ____ the situation improves.
26. –Look! How terrible his situation is! Could you help him? --I’d like to help, but ____ I can’t.
I don’t know if he ____, but if he ____ I will let you know.
One of the men gave his opinion ____ what the book said was right.
--It’s raining heavily, isn’t it?--Yes, ______ yesterday.
I can’t go to the cinema with you tonight as I have so much work to do. ____, it is raining really heavily.