.It is often said that an American starts speech with a joke, __ a Japanese has an apology to make.
| A．as | B．when | C．which | D．while |
The TV show, “Daddy, where are we going?”, _______ across China, especially popular on the major Chinese websites.
| A．exploded | B．slipped | C．leaked | D．trembled |
I have a big dream — I want to go into space, _______ will take some time to realize, I guess.
| A．which | B．it | C．what | D．where |
Although I majored in English, language _______ became a challenge when I set foot in the USA for the first time.
| A．luckily | B．naturally | C．surprisingly | D．gradually |
Reading provides quiet, peaceful time alone and can be a good _______ from your busy life.
| A．shelter | B．escape | C．absence | D．departure |
Don't pretend ________ when you don't.
| A．knowing | B．know | C．to know | D．to knowing |