—When should I hand in my paper?—Your paper must _______as soon as the bell________ .A. hand in,ringsB. be handed in,will ringC. be handed in,rings
—I’m sorry. I can’t play baseball with you—_______.
I don’t like swimming, _______ I won’t join the swimming club.
It’s important_______ the piano well.
—What’s the matter_______ Betty? —She lost her wallet.
He is not good at learning English and he always does his homework_______.