Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
A、assure
B、secure
C、ensure
D、issue
Inthefuture,more______shouldbeplacedontheeducationoftheyoung.
A、crisis
B、implications
C、impressions
D、emphasis
_______themovieIwouldhavefinishedmypaperlastSunday.
A、Inspiteof
B、Butfor
C、Becauseof
D、Asfor
Takeit______.Itisnothingbutajoke.
A、easy
B、easily
C、serious
D、seriously
I'msorryIforgottowrite;Ihadsomuchelse________mymind.
A、over
B、for
C、on
D、about