Don’t use water to put out the fire if oil catches fire. As is known, oil ____ float on water.
| A．shall | B．must | C．may | D．will |
He’s been ___ as judge in the State Supreme Court in California.
| A．determined | B．appointed | C．admitted | D．assumed |
The famous expert adapted his speech to ____ the interests of his audience.
| A．fit | B．suit | C．match | D．compare |
The little boy, ____ two attempts to climb over the fence of the garden, decided to have another try.
| A．having made | B．making | C．made | D．has made |
Disappointed, I was about to leave ____ something occurred, which ____ my attention.
| A．while, paid | B．and, got |
| C．before, drew | D．when, attracted |
As I waited for Mike to arrive, I ____ the clock and saw that he was late.
| A．glanced at | B．stared at | C．watched | D．noticed |