More than 20 people ________ in traffic accidents ________ last May.
#37492
A
have died, for
B
have died, since
C
have been dead, since
D
have been dead, for
推荐题目
—What were you doing at this time yesterday?—We _______ in the classroom. 
#39914
A
read
B
were reading
C
are reading
D
was reading
Our teacher said that light______ faster than sound.
#38930
A
travel
B
travels
C
travelled
D
is travelling
Look! The boys _______ football on the playground.  
#42331
A
plays
B
play
C
are playing
D
played
-- I can't find David. Where is he?-- He ________ for tomorrow's competition at home.
#38994
A
prepares
B
is preparing
C
has prepared
D
prepared