So hard ______ that we had to wait another day.
He bought whatever caught his eye in the store _______ he often went .
—I'll miss you,dear.—It ________ long before we meet again,Mom. It's only one month away from Christmas.
This factory is closing up,so lots of workers will be ________.
—Can I ask you a few straightforward questions about yourself?—No problem. I like ________ when people are open and direct.
If we expect ________ much cleaner world, we should attract ________ world's attention to protect it.