.I won’t let you in____you show me the written permission of themanager.
Canada,Australia and New Zealand are all ____ countries.
-Did your uncle fly to Paris directly? -No,he travelled from Hong Kong _____ London.
-My mathematics is very poor. -Don’t worry. I’ll help you ______ I can.
-If you have time tonight,I’d like to invite you to a ball. -That’s very nice of you,but are you ____?
How pleased the detective was _____ what his customer told him