Scientists have created GM tomatoes which ______ fresh for 45 days, three times as long as normal tomatoes.
#101941
A
are stayed
B
have been stayed
C
stay
D
stayed
推荐题目
 ----Tony, why are your eyes red?---I __ up peppers for the last five minutes.
#99082
A
cut
B
was cutting
C
had cut
D
have been cutting
I have to walk upstairs. The lift        down.
#103011
A
was breaking
B
broke
C
will break
D
has broken
To his disappointment, the opinion he had stuck              out wrong.
#103365
A
to turn
B
to turning
C
to turned
D
to be turned