They have _____ most carefully the time and money needed to complete the project.
| A．picked out | B．left out | C．figured out | D．taken out |
Don't bother Tom, he is________with the experiment on water molecules in the lab.
| A．focused | B．fixed | C．occupied | D．concentrated |
It’s_________ comfort to know that so many people are donating money and food to the people in________need.
| A．/, the | B．a, the | C．a, / | D．/, a |
．After his journey from abroad, Richard Johns returned home, __________.
| A．exhausting | B．exhausted | C．being exhausted | D．having exhausted |
I’m surprised to see you smoking. You ________, I remember.
| A．are not used to | B．were not used to | C．didn’t use to | D．used not |
．As far as we are concerned, education is about learning and the more you learn, ______.
| A．the more for life are you equipped | B．the more equipped for life you are |
| C．the more life you are equipped for | D．the more life for you are equipped |