It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any __________.
| A．symptom | B．sense | C．sample | D．shadow |
I won’t tell the student the answer to the math problem until heon it for more than an hour.
| A．has been working | B．will have worked |
| C．will have been working | D．had worked |
The issue of protecting cultural heritage was of _______ importance _______ we could not afford to ignore it.
| A．such, that | B．so, that |
| C．such, as | D．so, as |
— I promise Shirleyget a new iPad on her birthday.
— Will it be a big surprise to her?
| A．should | B．must | C．would | D．shall |
— 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 |