--Mary, have you got my email? I sent you a birthday card yesterday. ---Oh, really! I haven't ___my mailbox yet.
If you were to do it,the result______different.
All the doctors in the hospital insisted that he________badly wounded and that he______at once.
.I wish I________a chance to talk with you about my writing before you left yesterday.
Not only_______polluted but________crowded.
I like_____ in the autumn when the weather is clear and bright.