It is difficult to quantify the ................ that household waste has on the environment.

His arrival was completely unexpected. (took)

=> ...........................................................................................................................................

Choose the word whose underlined part is pronounced differently from the others.

As I think about the problem more, I become more worried about it.

=> The more ...........................................................................................................................

The minister was interrupted just after starting his speech.

=> Hardly ..............................................................................................................................

A country cannot be prosperous if it’s not quite independent.

=> Only ..................................................................................................................................