Busy as he is, he ______ a few hours for exercise every day.
| A．sets off | B．sets about |
| C．sets down | D．sets aside |
“XiJinping's report, ” a smile on his face, he continued, “_____ to several hot topics, discusses how to increase peasants' income.”
| A．referring | B．refers | C．having referred | D．referred |
In ________ old society many young women died by so strange and cruel ________ custom.
| A．不填；a | B．不填；the | C．the；a | D．an；a |
______the Internet is of great help, I don’t think it’s a food idea to spend too much time on it.
| A．If | B．While | C．Because | D．As |
The growing speed of a plant is influenced by a number of factors, are beyond our control.
| A．most of them | B．most of which | C．most of what | D．most of that |
The president was so absorbed in his work that not a sound ______.
| A．did she dare to make | B．dared she to make |
| C．she dared make | D．she did dare to make |