ike fingerprints, each person’s DNA is ________unlesshe has a twin.

It is hoped that an end can _______ to pollution ofany kind and we humans can live ______ with nature.

go shopping, shall we — Wait a minute. I ________ myhousework and it won’t take long.

The new supermarket has announced that the first to purchase goods on the opening day get a big prize.

cholars share the belief that interest is as_____ to learning as the ability to understand, even more so to some degree