You should let your children play _________ you can see them.
Make contacts among your parents’ friends, your neighbors, your community organizations — _______ you can find working adults, network.
A promising approach to reducing appetite which does not ________ taking any drugs, and is very safe, is to drink a certain amount of water before a meal.
(·黑龙江哈三中10月考)She may have missed the train, _______ she won’t arrive for another hour.
Blog discussions may be closed to new comments, ___ a message is displayed informing you of that.
He is never satisfied with what he has got. The grass is always greener on the other side of the ____.