----_____do you improve your listening? ----I improve it ______ listening to tapes.A. How; with B: What; with C: How; by D. What; by
So far, the moon is the only one of the heavenly bodies in space ______ reached by manned spaceships.
According to an old proverb, red sky at night often indicatesfine weather the next day.
单项填空 (共15小题, 满分15分) ——May I take your order now? —— . —— OK, I’ll come back in a few minutes.
He set off down the main street. He _____.
He wanted to measure temperatures. He wanted to _____ them.