American English has changed ________ time. There are several reasons ________ this.
Why not try your luck downtown, Bob? That’s __________the best jobs are.
________, she stood and stared while the police arrested her husband.
With modern technology, even babies weighing _______one kilogram at birth can survive.
At the evening party the host said ________ was able to solve the riddle could get a nice present as a reward.
The more careful you are while writing a composition,________.