— Tony, are you listening to me?
—Sorry, Sir. I ______ to figure out what you said just now.
| A．was trying | B．have tried | C．tried | D．had tried |
The old lady who caught a bad cold complained that the doctor was ______ too much for the treatment given to her．
| A．paying | B．offering | C．spending | D．charging |
Watch out for these animals! They could be terrified ______ a sudden loud noise．
| A．being there | B．should there be |
| C．there was | D．there have been |
We have dresses of various styles and patterns on sale and you may take ______ suits you best．
| A．whatever | B．whichever |
| C．no matter what | D．no matter which |
Our factory has been developing rapidly these days． This year’s production is five times ______ it was ten years ago．
| A．what | B． that | C．which | D．as |
A new study found ______ a teacher has anxiety about maths, ______ feeling can influence how his or her female students feel about math．
| A．when that; which | B．that when; that |
| C．that if; which | D．if that; that |