grammar

Nobody knows( )she is so upset today.

• who

• what

• where

• when

• why

Do you remember( )we have to submit our homework?

• Who

• what

• where

• when

• why

Please explain( )you solved this math problem.

• how

• when

• where

• why

The teacher asked me( )my favorite book is.

She is wondering( )she should invite to her birthday party.

We need to find( )the bus station is.

I don't know( )Lala went.

Can you tell me( )does Pocky saw?

• where

• what

• when

• why

They are wondering ( ) Rily punched his girlfriend.

• when

• where

• why

• how