Old people must __________.
#44763
A
speak to polite
B
be spoken politely
C
be spoken to politely
D
be spoken to polite
推荐题目
---How often do I need to feed the birds?---They______ food every day, or they will be hungry.
#44408
A
must give
B
mustn’t give
C
must be given
D
mustn’t be given
Please don’t stand up in class _____ you ______.
#44549
A
until ; are told to
B
when ; are told
C
after ; were told
D
before ; were told to
They are looking forward to _____________ to the lecture by the famous professor.
#44447
A
send
B
be sent
C
being sent
D
sending