Theyfulfilledtheplanmuchearlierthanthey_____
A、haveexpected
B、areexpected
C、wereexpected
D、hadexpected
A、bsina
B、bcosa
C、bsinf(a)
D、bcosf(a)
Edisontestedmorethanonethousandmaterialstoseeiftheycould_____electric;currentandglow.
A、bring
B、make
C、carry
D、produce
You'veonlygotaslightcold.You'll_____itinadayortwo.
A、getat
B、getinto
C、getin
D、getover