---How often ___________ the Olympics _____________? ---Every four years. 
#42174
A
is, taken place
B
is, hold
C
does, hold
D
does, take place
推荐题目
It’s two and a half weeks since the exchange students __________ Taixing.
#41756
A
arrived
B
reached
C
have been in
D
have arrived in
Mother   the Christmas tree every year . I like the  
#40595
A
decorating, decorate
B
decorate , decoration
C
decorates , decoration
D
decorating, decoration
Mr. Smith isn’t here. He ______ New York. I hear he ______ back in two days.
#40196
A
has gone to ; comes
B
has gone to ; will be
C
has been to ; comes
D
has been to ; will be