All the information except these two pieces _____ writing the article.
#42014
A
have been used to
B
has been used to
C
have been used for
D
has been used for
推荐题目
Mr. Green _______ his lessons when I went into his office.
#36585
A
prepares
B
prepared
C
is preparing
D
was preparing
hey, Alice. You___ on the phone a moment ago. But you weren’t here and I took a message for you. Oh? I was in the library.
#37097
A
are wanted
B
were wanted
C
are called
D
have called
If any accident ______ here tomorrow, it will be very serious.
#42462
A
happens
B
will be happened
C
will happen
D
is happened
---What’s your sister doing now?--- She ______ her homework.
#39656
A
does
B
will do
C
is doing
D
was doing
Mark Twain ______ school and began to work at the age of twelve.
#39038
A
left
B
leaves
C
will leave
D
leave