Perhaps Taobao is Asia’s largest and most popular retail（零售的）network platform , _____ people can buy and sell a great variety of things .
| A．which | B．where | C．when | D．that |
his being late again, he lost his job and had to stay at home.
| A．Because | B．As result of | C．In case that | D．Because of |
He was disappointed that his plan did not .
| A．go on | B．go off | C．go through | D．go out |
He took medicine 3 times a day,________ didn't work.
| A．it | B．but | C．which | D．but which |
Our teacher told us that the eartharound the sun.
| A．moves | B．moved | C．to move | D．moving |
Heto keep this book for a month.
| A．will allow | B．will be allowed | C．allows | D．allowed |