______ it’s difficult to make her dream come true, she never gives up.A. Unless B. If C. Though
– __________ milk do you need for the milk shake? – Well, one cup is probably enough.
If it_______ rain tomorrow, I’ll go climbing with my classmates.
Pudong International Airport is one of_______ airports in the world.
Don’t jump to a conclusion! Let’s _______ the problem first.
They were all very tired,but ________of them took a test.