She ______ have attended that meeting, for she was doing paperwork in the office then.

—Can we run across the road now?—No, we _     . We have to wait until the light turns green.

 Sir, a Mr. Wang is waiting for you at the gate. ________ he come in or stay there?

The new law states that people _______drive after drinking alcohol.

In China, you _____ vote when you are 18.