In order not to be disturbed, I spent three days ___ up in my study.
| A．locking | B．being locked | C．to look | D．locked |
Study hard, _______ you will fall behind the others.
A. and B. butc. 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.
| A．among | B．between | C．with | D．about |
_______ my parents’ help, I begin to catch up _______ my classmates.
| A．With, to | B．Under, with | C．With, with | D．To, to |
The dinosaur’s eggs are found by explorers in the _______
| A．1920s | B．1920’s | C．1920s’ | D．1920’ |