. ----Peter, where did you guys go for the summer vacation?
----We________ busy with our work for months, so we went to the beach to relax ourselves.
| A．were | B．have been | C．had been | D．will be |
__________ on Wechat is a common phenomenon, and more people hardly write letters．
| A．Communicate | B．Communicated |
| C．To communicate | D．Communicating |
People are __________ shoppers in China on November 11th, contributing to more than 35 billion online shopping sales．
| A．potential | B．enthusiastic |
| C．intelligent | D．temporary |
— Didn‘t you talk any with Rice?
—No, the plane __________ off when I rushed to the airport to see her off．
| A．was taking | B．had taken |
| C．took | D．has taken |
—Look at those clouds!
—Don‘t worry． __________ it rains, we‘ll still have a great time．
| A．Even if | B．In case |
| C．As though | D．If only |
Li Chen and Fan Bingbing have fallen in love with each other, __________ a hot topic in the entertainment industry．
| A．having made | B．to make |
| C．making | D．made |