Paper making began in China and from thereit _____ to North Africa and Europe

I was really anxious about you. You _____ __ home without a word.

What do you think of the lecture of the US president Donald Trump-I think it’s ______, but someone thinks it’s much too _______.

.—Nanjing is about 70 kilometers _______ from here What about taking a train– Good idea!

Anna is _____ to work out the problems.