When did your brother __________ the army?A.join B. join in C. take part in
—John, thank you for driving me home.—_________. See you tomorrow.
—Excuse me, madam. Could you please tell me _________ the bus arrives?—Sure. At 9:00.
—Must I sing the song in Russian?—No, you _________. It’s up to you.
We stopped _________, but there was not any sound.
Come on, baby. We have already done _________ of the work.