English became the official language for business __ the fact that the population was largely Chinese.
Small sailboats can easily turn over in the water ______ they are not managed carefully.
. Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.
Reality is not the way you wish things to be, nor the way they appear to be, ___ the way they actually are.
People try to avoid public transportation delays by using their own cars, and this _____ further problems.
Although ____ my opinion, the old professor didn’t come up with his own.