There are usually at least two _____ of looking at every question.
| A．ways | B．directions | C．views | D．opinions |
—Bob has gone to California.
—Oh, can you tell me when he __________?
| A．has left | B．left |
| C．is leaving | D．would leave |
—I've got to go now.
—Must you? I __________ you could stay for dinner with us.
| A．think | B．thought |
| C．have thought | D．am thinking |
I had been working on math for the whole afternoon and the numbers __________ before my eyes.
| A．swim | B．swum |
| C．swam | D．had swum |
The letters for the boss __________ on his desk but he didn't read them until three days later.
| A．were put | B．was put |
| C．put | D．has put |
—Did you ask Sophia for help?
—I __________ need to—I managed perfectly well on my own.
| A．wouldn't | B．don't |
| C．didn't | D．won't |