The electronic red-packet has been so ______ that AliPay and Tencent Wechat compete against each other openly and secretly since the beginning of this year.
| A．popular | B．convenient |
| C．favorable | D．arbitrary |
I don't like football; as for me, ________ would be more fun than watching a 90 minutes' boring match.
| A．everything | B．something |
| C．anything | D．nothing |
Teaching is ________ everybody can do; it requires patience as well as professional training.
| A．something | B．anything |
| C．everything | D．nothing |
We've been looking for a cheap house but haven't found ________ yet.
| A．one | B．other |
| C．it | D．that |
It makes good sense to buy a large packet because ________ will work out cheaper in the end.
| A．it | B．this |
| C．one | D．they |
—You look great! Were you on vacation or ________？
—You got it. I've just come back from America.
| A．anything | B．nothing |
| C．everything | D．something |