—Why are the tax collectors so busy?  —Many people prefer to have their tax forms completed by a professional rather than ___. 
#94782
A
do it themselves
B
doing it themselves
C
to do it themselves
D
done by themselves
推荐题目
There was nothing they could do______.
#93165
A
but wait   
B
except waiting
C
only to wait 
D
unless they waited
---I had practiced my spoken English, but still failed in the oral test. ---Don’t be discouraged. _____ and you will surely pass it. 
#92027
A
Make a bit more effort
B
To make a bit more
C
Making a bit more effort
D
If you make a bit more effort