Father: Are we ready to go? Daughter: No, Mum can’t find------- hat.
Josef: Why didn’t you come to the cinema last week? Chloe: I wanted to but I couldn’t. I---- studying for that test we had on Monday.
I_______to live in Scotland, but now I live in Germany.
When I arrive home, I'm going to have a ______ bath.
Medical research at the cellular level, ……… research on the immune system, has been made possible through twentieth-century advances in techniques of genetic research.
Transplanting organs ……… has proved easier than transplanting muscles.
In so-called nonfiction novels, a documentary style is combined with fictional techniques ……… actual events and people.
The problem facing most tourists is ……… among so many possibilities.
Any acid can, in principle, neutralize any base, although ……… between some of the more reactive compounds.
Celluloid and plastics have largely replaced genuine ivory in the manufacture ……… buttons, billiard balls, and piano keys.