This machine is very easy _______. Anybody can learn to use it in a few minutes.
#90906
A
operating
B
to be operating
C
operated
D
to operate
推荐题目
The amount of money ______for the seriously sick child was soon collected.
#98078
A
to need
B
needed
C
needing
D
which needed
A terrible earthquake struck this country, _______ thousands of peopledead and more missing．
#93972
A
caused
B
causing
C
having caused
D
to cause
She pretended _______ me when I passed by.
#98790
A
not to see
B
not seeing
C
to not see
D
having not seen
---The excellent student is said ________in Germany last year .--- No wonder he has a good command of German .
#96640
A
to study
B
to be studying
C
to have studied
D
studied