We must act now because time is _____. —Yes. Let’s start.

More strict measures should be taken____more people are infected with the virus of H1N1 flu

acks and drinks , but they also brought cardsfor entertainment when they had a picnic in the forest

What have you done these days?— I’ve read all the books _____ you gave me because they are the best ones _____ are on the subject.

Excuse me, Maria. Can I use your bike—Sure. Here you are. But you must return it _____ time.