. Mary had taken _____ to see that her guests had everything that they could possibly want.
#14455
A
efforts
B
pains
C
attempts
D
endeavors
推荐题目
 In ____, he began to learn Russian, when he was in ______. 
#12067
A
1970; the 50’s
B
the 1970; his 50s
C
the 1970s; his fifties
D
1970s; his fifties
 This English book __________ five parts, __________ grammar.
#12225
A
includes; including
B
contains; including
C
includes; containing
D
contains; containing