--How long __each other before they ____ married?—For about a year.
| A．have they known; get | B．did they know; were going to get |
| C．do they know; are going to get | D．had they known;got |
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 |
It was in the lab was set up last year ________ they finished the experiment.
A. that; thatB. where; in which
C. which; whereD, in which; that