Grammar Review

What ____ you ___ when the earthquake hit last night?

• are；doing
• did；do
• were；doing
• have；done 

She ____ in New York three years ago, but now she's in Taiwan.

• is
• was
• has been
• will be

I  ___ swim in the river when I was young, but now it's serious polluted.

• used to
• was used to
• had used to
• am used to

When typhoons _____, be sure to stay inside and close the doors and windows.

• hit
• arrive
• join
• grow

This is the most interesting movie that I've ever ____.

• see
• seen
• saw
• been seen

The class ___ eating lunch in the classroom now. 

• is
• was
• are
• were

Some kids are crazy about computer games.  They didn't ___ until midnight.

• go to school
• go to bed
• get up
• stand up

The puppy is so funny.  ____ chasing ___ tail.

• It; it
• Its ; its
• It's ; it's
• It's ; its

Tom: Bill, aren't you a singer?
Bill: ____.  I'm a teacher.

• No, I'm not.
• No, I am.
• Yes, I am.
• Yes, I'm not.

Karen and Jim ___ TV in the living room, but their sister is.

• are watching
• aren't watching
• watch
• can't watch