Lady Gaga has put off her concerts because of the difficulties ______ by the ongoing strikes.
#92743
A
causing
B
to be caused
C
caused
D
to cause
推荐题目
  The Olympic Games,________in 776 BC, did not include women players until 1912.
#88326
A
first playing
B
to be first played
C
first played
D
to be first playing
 _____, the boy couldn't enter his house.
#98293
A
Since the key had lost
B
The key being lost
C
Lost the key
D
Having lost the key