Try ___ she might, Sue couldn’t get the door open.
| A．if | B．when | C．since | D．as |
Students can apply for _____ tuition.
| A．individual | B．personal | C．individuality | D．separate |
He mentioned it in the _____ part of his speech.
A. late B. latter C, latest D. lately
From facts, scientists have ________ that more energy is being absorbed from the sun, throwing the earth's energy "out of balance".
| A．confirmed | B．concluded |
| C．concentrated | D．conflicted |
Recently several severe traffic accidents have ________ the death of many innocent people which attracted great attention from the public.
| A．stuck to | B．appealed to |
| C．referred to | D．led to |
The boy ________ fifty yuan in repairing the watch yesterday.
| A．cost | B．spent |
| C．paid | D．took |