The World War II made ______ impossible for Einstein to go on with his research.
A.him | B.this | C.it | D.that |
Historically, ______ main material for making tables has been wood, but ______ metal and stone have also been used.
A.the; / | B./; / | C.the; the | D./; the |
While in London, we paid a visit to the hospital founded__________the nurse Florence Nightingale.
A.in need of | B.in favor of | C.in honor of | D.in place of |
He has been in high spirits, for pieces of exciting news came to him __________.
A.one after another | B.one by one | C.little by little | D.step by step |
He arrived home very late last night, __________in the early hours this morning.
A.or else | B.or rather | C.rather than | D.more than |
Lisa is completely__________and receives no money from her family.
A.conscious | B.confident | C.independent | D.sensitive |