I cannot tell the_____difference between the twins.

You two have got a lot_____.

Take your time and think the matter over before you _____ a conclusion.

It is her beautiful eyes （ ） attract most of the fans.

I’m not used to （ ） in that impolite way.

（ ） his last word, he got into a taxi and disappeared in no time.

We should （ ） our differences and discuss the things we have in common.

We want the committee to （ ） the details of the plan.

The first textbook（ ） for teaching English as a foreign language came out in the 16th century.

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

What time would it be convenient _____us to meet again?

（ ） I admit that she has shortcomings, I still like her.