_______cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby

－Oh, the traffic is too heavy.－Let’s change ________route to the airport.

Mr. Li, where is our English teacher I need his help.– Wait a minute. He _______ soon.

____ someone, so I nodded to her and went away.

Kitty, you are a good dancer. — __________.