John'sscoreonthetestisthehighestintheclass;he____lastnight.
A、muststudy
B、shouldhavestudied
C、musthavestudied
D、issuretostudy
Whataniceday!Howaboutthethreeofus_____awalkintheparknearby.
A、totake
B、take
C、taking
D、tobetaking
Ithink____importanttolearnEnglishwell.
A、this
B、that
C、it
D、youare
Hewasluredintoacrimehewouldnot____________havecommitted.
A、actually
B、accidentally
C、otherwise
D、seldom
Wecan____thetwoislandswithabridge.
A、unite
B、connect
C、relate
D、combine