Hi, Tom, You look tired–Yes, I _____________ the room all the afternoon

I _______ some schools if I have a lot of money.

Don’t be a phubber (低头族). Mobile phones help us a lot， _________ we shouldn’t allow them to control our lives.—We should take more activities outside to keep healthy.

What are they —They are .

What made her so upset — ______ she failed in her examination.