18. ______changed,and whatever men can do,woltllen call do,tooA Age had B Ages have C.Times have D Time has
All the citizens are taking actions to protect the environment,so our city is on the way_____ a clean and beautiful city.
I can’t_____ my work this morning with several children shouting loudly outside.
I hope you will study hard and master as much knowledge as possible; otherwise you will have to live a hard life_______.
People are very _____ about the problems ____ the environment.
The headmaster decided to have a word with whoever is ______ this matter.