“Would you mind my sitting here with you?” “No, ______ you aren’t too noisy.”
| A．when | B．if |
| C．unless | D．as soon as |
Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.
| A．having | B．had | C．have | D．to have |
The young man always talks a lot ___________ he knew everything, which, of course, makes others unhappy.
| A．once | B．even though | C．though | D．as though |
Despite their __________ of interest, Fleming kept trying to develop the chemical ___________ it would be safe and effective.
| A．lacking; in order to | B．lack; so that |
| C．lack; so as to | D．lacking; so that |
The girl was dressed in her best clothes. She wanted to make herself _____________ at the party.
| A．noticing | B．noticed | C．notice | D．to be noticed |
I suggested to my father that we ____________ to Dalian for a holiday this summer, but the expression on his face suggested that he ___________ to it.
| A．go; shouldn't agree | B．would go; shouldn't agree |
| C．go; didn't agree | D．would go; didn't agree |