You can never imagine what great difficulty I had ________ his parents. 
#96631
A
finding
B
of finding
C
to find
D
about finding
推荐题目
 ________ at the result, the boss left without saying any word.
#94496
A
Having disappointed
B
Disappointing
C
To be disappointed
D
Disappointed
 It’s standard practice for a company like this one______ a security officer. 
#88382
A
employed
B
being employed
C
to employ
D
employs