Why do you look tired—Because I until11:50 last night.

Neither he nor I _____from Canada .We are from Australia.

I’m surprised that you should have been fooled by such a(an)＿＿＿＿＿trick.

Only by practicing a few hours every day ________ be able to learn it well.

have you got my email I sent you a birthdaycard yesterday—Oh, really! I haven’t ＿＿＿my mailbox yet