Thetheoryofblackholesinspace__(accept)bymanyseriousscientistsandastronomers.
The present crisis bears some ________(similar) to the oil erisis of the 1970s
Idon’tneedanyhelpatthemoment,butI_____youroffer
A、appreciate
B、admire
C、enjoy
D、like
Many other new techniques are now available that enable more research___ (do) in the test tube to see if chemicals produce harmful biological effects.
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
A、puttingou
B、turningout
C、workingou
D、runningout