[ Grammar ]
The sun was thought _____ a ball of fire in the past, but now it is known _____ a glowing sphere of gases.
A. to have been, to have been
B. to be, to have been
C. to have been, to be
D. to be, to be
Random Topics:
Present Tenses and ConnectorsIdentify The TensesCOUNT - NONCOUNT NOUNSRelative Clauses and UsageDo not- Does notSimple Present and Simple PastModal and Modal PerfectArticles and NounsArticles with Proper NounsArticle the or zero article (-)Other quiz:
Phrasal Verb › ViewLife is too short to put anything … until later. Do it now.
A. on
B. off
C. up
D. down
Grammar › View
We should teach our children creative and critical thinking so that they can ______ with life in the 21st century.
A. cope for
B. cope
C. cope up