They ___ every means, but the engine __ work.
#103984
A
tried; couldn't
B
have tried; won't
C
tried; won't
D
have tried; can’t
推荐题目
Don’t disturb me. I_______ letters all morning and have written ten so far.
#100860
A
have written
B
am writing
C
was writing
D
have been writing
It is said that a new robot _______by him in a few days.
#101353
A
will be designed
B
has been designed
C
designed
D
will have been designed
— Could I have the small table by the window?— Sorry, sir. It ______ in advance.
#100128
A
booked
B
will be booked
C
had booked
D
has been booked