1.Was it during the Second World War ________ he died ?
A. that B. while C. in which D. then
2. It worried her a bit _______ her hair was turning gray.
A. while B. that C. if ...
1.Johnny, you_______ play with the knife, you ______ hurt yourself. (NMET 96)
A.won’t;can’t B.mustn’t;may C.shouldn’t; must D.can’t;shouldn’t
2.Peter ______ come with us tonight,but he...