A great explosion _______ in a chemical factory in Hangzhou several months ago.
#71902
A
occurred
B
occurred to
C
has happened
D
has taken place
推荐题目
On the wall __ two large portraits.
#81219
A
hangs
B
hang
C
hanged
D
hanging
   One the last day he _________.
#77139
A
decided a big decision
B
decided greatly
C
made a decision
D
had made a decision
 The president spoke at the business meeting for nearly an hour without _____  his notes.
#68754
A
looking down
B
bringing up
C
trying on
D
referring to