Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
A、otherthan
B、morethan
C、betterthan
D、ratherthan
He________violinwhenIwanttosleep.
A、alwaysplays
B、playalways
C、isalwaysplaying
D、alwaysisplaying
NeitherEnglishnorChinese________difficulttolearn.
A、has
B、have
C、is
D、are
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
A、nervefibers
B、nerves
C、neurons
D、cerebralcortex
MotherwishedI________youwhatshe________.
A、didn’ttell;said
B、didn’ttell;hassaid
C、didn’ttell;hadsaid
D、hadn’ttold;said