19. It is reported that China has created the first man-made sun in the world recently, ______ ?
According to an old proverb, red sky at night often indicates fine 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.
He insisted _____ with her.