It is obvious to the students ______ they should get well prepared for their future.
Study hard, _______ you will fall behind the others. A. and B. but c. or D. though
—What else do you want? --________ else. I think I have got everything ready. A. Something B. Nothing C. Anything d. Everything
—Do you know the differences ________ the three words? --Sorry, I don’t know.
_______ my parents’ help, I begin to catch up _______ my classmates.
The dinosaur’s eggs are found by explorers in the _______