The teacher suggested the dictionary at once.
| A．be referred to be bought | B．be referred to being bought |
| C．referred to be bought | D．referred to being bought |
—What does PM2.5 mean?
—It's a professional ________ indicating the condition of air pollution.
| A．term | B．item |
| C．number | D．mark |
Some students think they enjoy reading just out of interest, but others argue that a better score is their main ________.
| A．recognition | B．attraction |
| C．occupation | D．motivation |
Currently, many American women are still faced with the ________ of choosing between work and family commitments.
| A．desperation | B．confusion |
| C．dilemma | D．concern |
After ________ careful consideration, they finally decided that each child will be offered ________ university education.
| A．the; a | B．不填；an |
| C．a; an | D．不填；a |
Sometimes it's a bit challenging to reach a ________ between parents' expectations and their kids' desires.
| A．commitment | B．comprehension |
| C．cooperation | D．compromise |