areful, Bill! You are being followed— Where is the man ______ me
Have you heard of Earth Day—Yes. The first Earth Day ____ in 1970 to educate us to protect our planet.
With the speedup of the railway, now you can get to your destination by train.
There is an ongoing debate about the potentially harmful effects ________ text messaging can have on people’s grammar.
er background you come from , you can be ______ successful with your hard work like many others .