-- Must you play the guitar so loudly ? I can hardly ___ my book . --- I’m sorry. I didn’t know you were reading .
I tried phoning her office, but I couldn't ______ .
His sister left home in 1998, and ______ since.
What do you mean, there are only ten tickets? There ______ be twelve.
Could I speak to ______ is in charge of International Sales please?
How much ______ she looked without her glasses!