The world has a big headache and it _______ by money. It began in America last year.
#44846
A
cause
B
causes
C
is caused
D
are caused
推荐题目
English _____ as a second language in many countries. 
#44745
A
speak
B
is spoken
C
is speaking
D
is speak
 —Smoking _________in the cinema. Please stop _________. —Sorry, I won’t.
#44571
A
is allowed; smoking
B
allows; to smoke
C
isn’t allowed; smoking
D
isn’t allowed; to smoke
The 29th Olympic Games _____ in Beijing in 2008.
#45017
A
is held
B
was held
C
holds
D
held
--Who _______ the Harry Potter series________ ?     -- J.K.Rowling.
#44425
A
did, be written
B
was, written
C
was, written by
D
did, be written by