---It’s the second time that I ___ to Shanghai. ---What great changes! It’s ten years since I _____ it last time.
_____ with any common sense can tell the difference between the two.
When a pencil is partly in a glass of water, it looks as if it ______.
. You didn’t let me drive. If we ____ in turn, you ____ so tired.
Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later.
If only he _______ quietly as the doctor instructed, he would not suffer so much now.