In April, 2009, President Hu inspected the warships in Qingdao,_______the 60th anniversary of the founding of the PLA Navy.
#88233
A
marking
B
marked
C
having marked
D
being marked
推荐题目
The professor explained this theory so clearly that this phenomenon was easy enough ________.
#95942
A
for us to work out
B
working out
C
for working out
D
to working out
You know that widely reading helps ______ your knowledge so I can’t help _____ the housework every day.
#97977
A
an large, doing
B
to rich, to do
C
add, to
D
add to, doing
________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
#98405
A
To be tried
B
Tired
C
Tiring
D
Being tired
His first book next month is based on a true story.
#89418
A
published
B
to publish
C
to be published
D
being published
The machine is easy to _______if you follow the instructions.
#91708
A
be operated
B
operate
C
be operated on
D
operate on