--- Who cleaned the classroom?
--- We consider Tom it.
| A．to clean |
| B．cleaning |
| C．to have cleaned |
| D．to have been cleaning |
—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 |
—Kevin, you look worried. Anything wrong?
—Well, I __________ a test and I'm waiting for the result.
| A．will take | B．took |
| C．had taken | D．take |