23. Your room is terribly dirty; you get it cleaned in two hours, or Mum will be angry.
It’s always difficult being in a foreign country, ___________if you can’t speak the language.
----Do you mind if I turn on the radio?
He was so nervous during the test. No ________he didn’t pass the exam.
I don’t mind picking up your things from the store. ______, the walk will do me good.
The school is ______a Chinese teacher who masters the English language perfectly.