When you don’t know a word, you can _________ in the dictionary.
—Do you think it will be sunny tomorrow? —_______ . It hasn’t been sunny for a long time. It’s too wet.
—What about going to Kunming for our winter holiday —____________ .
He used to ____in the sun, but now he is used to ____at night.
My father isn’t in good health now. I think he should pay attention____ exercise.
You should keep working hard __you have passed the exam.