Edisontestedmorethanonethousandmaterialstoseeiftheycould_____electric;currentandglow.
A、bring
B、make
C、carry
D、produce
Everymanandeverywomanworkinghere_____withme.
A、isgettingalongwell
B、aregettingalongwell
C、isgotalongwel
D、aregotalongwell
Tobeginsomeactivityisto_____doingit.
A、setdown
B、setup
C、etabout
D、setoff
Themanagergaveherhis_____thatthecomplaintwouldbeinvestigated.
A、admission
B、allowance
C、assurance
D、insurance
Theequipment_____outoforder,theexperimenthastobeputoff.
A、hasbeen
B、being
C、is
D、be