--- Why don’t we take a little break?
--- Didn’t we just have ?
| A．this | B．that | C．it | D．one |
One of the most important problems they had to consider was________of public health.
| A．what | B．this | C．that | D．which |
After the amateur singer competed in the program The Voice of China, his singing career .
| A．took out | B．took off | C．took in | D．took away |
Without the development of the Internet, Taobao and Tmall______$ 5.7 billion in sales on 11 November, 2013.
| A．wouldn't make | B．didn't make | C．hadn't made | D．wouldn't have made |
He set out for a remote village for ____ he hoped would be a peaceful retirement.
| A．that | B．which | C．what | D．where |
____ to teaching, as we know, contributes to his popularity with his students.
| A．To devote | B．Devoted | C．Being devoted | D．Devoting |