At our great sale, we have skirts ________ red ________ 20 dollars.
| A．in; for | B．in; in |
| C．for; for | D．for; in |
--- Jenny, ________do you visit your grandparents?
--- Twice a month.
| A．How long | B．How soon | C．How often | D．How many |
---Do your two children live in Beijing with you?
--- _______. One is in Shanghai, the other is in Tianjin.
| A．Each | B．All | C．Neither | D．Both |
— Is that Jack speaking?
—Sorry, he isn’t here. He ________the cinema with his aunt.
| A．has gone to | B．goes | C．will go | D．was going |
Don’t put your hand out of the car window, ______ you will be hurt by the passing traffic.
| A．but | B．so | C．and | D．or |
---Must I work out the problem right now?
---Yes, you _______. It’s very serious.
| A．can | B．must | C．may | D．should |