44. _____ the _____ of modern industry, the pollution is becoming more and more serious.
| A．With; developing | B．Under; development |
| C．With; development | D．Under; developing |
— Did Vicky come back early last night?
— Yes. It was not yet nine o’clockshe arrived home.
| A．before | B．when | C．until | D．That |
The film Avatar 2 _____in the USA in December , 2017 and then is brought to China.
| A．will release | B．will be released |
| C．is released | D．to be released |
With some books badly needed _____, she hurried to the bookstore.
| A．buying | B．bought |
| C．to buy | D．buy |
I was blessed with a happy childhood, _____ that most people would want to have.
| A．which | B．it | C．one | D．that |
To improve the quality of our products, we asked for suggestions _____ had used the products.
| A．who | B．whoever |
| C．whichever | D．which |