I really enjoyed your speech, ______ there were some parts I didn’t quite understand.
A．because B．unless C．though D．after
My grandfather loves keeping pets．He said a pet could help a person feel______.
A．more nervous B．less alone C．less lonely D．more worried
----Where is Tom?
----He’s left a(n) _____ saying that he has something important to do.
A．excuse B．sentence C．news D．message
The problem is too difficult for him. He _______ solve it by himself without any help.
A．can't B．mustn't C．shouldn't D．needn't
----Doctors, it seems that you like to work with animals.
----Yes, I think animals should ______ as our friends.
A．regard B．be regarded C．be regarding D．are regarded
----Why is the man standing at the door of the restaurant all the time?
----He is waiting for anyone who will ______him some money or food.
A．receive B．buy C．offer D．order
