-___ __ have you worked? -Since 2 pm.
A. How soon B. How long C. How often D. How far
We can’t work out the physics problem. Can you tell us ________?
A. how to do B. what to do it C. how to do it D. what should to do
We’ll go shopping if it ________ rain tomorrow.
A. don’t rain B. won’t rain C. isn’t raining D. doesn’t rain
–What did your mother say, Tom? -She asked me why _ __.
A. my sister was crying B. my sister is crying
C. is my sister crying D. was my sister crying
His money ________, so he had to walked home.
A. ran out of B. ran away C. ran out D. ran off
-What’s wrong with you? -________.
A. I’m happy. B. I have a sore throat.
C. I have something to do. D. Sorry, I don’t know.
