“Would you like to go out for a picnic?”“Yes, it’s ( ) day!”

Plastics is a kind of （ ） which is widely used in industry.

Change in climate may have caused_________.

Jane hadn’t been to London before．（ ）had her husband．

In the experiment we kept a watchful eye （ ） the developments and recorded every detail.

It is necessary to () a large vocabulary in learning a language.

According to this passage, which of the following is TRUE?

While being questioned on the court, the man denied （ ） the old lady’s necklace.

Our society has changed and （ ） in it.

So loudly （） that all the people in the room got a fright.

（ ） I admire David as a poet, I do not like him as a man.

His () of the aeroplane was correct in every detail and could really fly.