—We’d better not eat too much junk food  ______  it is delicious.
—I agree. It’s bad for our health.
A. if   B. although C. because

--Is my answer to the math problem fight?
---Let me consider it carefully            I give you an answer.

_ Lily _ Lucy is going with you because one of them must slay at home.

I haven’t gone back to my hometown _______I left it in 1993.

一Have you read today’s morning paper?
－Not _______. What’s the latest news?

--- Lily isn’t here today, What’s happened to her?
---She stays at home       her illness.

I have been skating _______ nine o’clock.

－ Can you help me clean the room?
－ OK, _______ I have to wash the clothes first.

We didn’t have enough money for the movie, so we went to the park _______.

－What shall we do now?
－_______it’s raining hard, let’s stay at home.