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
----Did you see a child dressed in red pass by?----Sorry, I _____ the poster on the board without noticing anyone.
#100752
A
have read
B
had read
C
am reading
D
was reading
I’ll go to the library as soon as I finish what I .
#99930
A
was doing
B
am doing
C
have done
D
had been doing
—Have the exam results arrived yet?—No. They were due to have arrived at the school today but apparently the exam board them yet.
#101928
A
didn’t post
B
hasn’t posted
C
doesn’t post
D
hadn’t posted
---You’re trembling. What’s happened?---- I ______ outside in the cold for over an hour waiting for a bus.
#100468
A
was standing
B
have been standing
C
stood
D
will stand