—The weather is not good enough for the basketball match,is it?—Not at all. We can’t have at this time of the year.
What great trouble we had ____ where his house was.
Not until I began to work ______ how much time I had wasted.
Unless ___ to speak, you should remain silent at the conference.
Although this medicine can cure youyour illness, it has a bad effect____you.
_______ it rain tomorrow, we would stay at home.