—The country has already sent up an unmanned spacecraft to the moon.
—Yes. Chang’e I to the moon last October.
| A．has been sent | B．has sent | C．was sent | D．sent |
–Jim passed the Chinese exam. What about Jack? --.
| A．He did so | B．So did he | C．So he did | D．So did she |
I am too busy now. If I____ free, I ____to the cinema with you.
| A．am; will go | B．am; would go | C．were; would go | D．was; was going |
He doesn’t do his homework________. So he always makes some mistakes.
| A．careful enough | B．enough careful | C．carefully enough | D．enough carefully |
I find _______difficult to get to sleep because the man upstairs made much noise.
| A．it | B．this | C．that | D．him |
--- You look ______,Paul. What’s the matter?--- I’m having trouble ______ math.
| A．tired, to learn | B．worried, learning | C．frustrated, to learn | D．angrily, learning |