Previously ______ at a fast food restaurant, the Smiths were dissatisfied with the unhealthy meals they served there. 
#93071
A
volunteered
B
to volunteer
C
volunteering
D
having volunteering
推荐题目
_____into the house, the thief was soon caught by the police.
#96451
A
Having seen him steal
B
Seen stolen
C
Seen stealing
D
Seeing him steal
This new book of hers is believed _______ into many different languages.
#95788
A
to be translated
B
to have translated
C
being translated
D
to have been translated
The ________look on his face showed that he hadn’t expected it.
#94276
A
astonished
B
astonishing
C
being astonished
D
having astonished