My sister，an inexperienced rider，was found sitting on the bicycle _________ to balance it．
#97908
A
having tried
B
trying
C
to try
D
tried
推荐题目
with the medicine shipped from China，the patient got fully recovered two days later.
#92709
A
Being treated
B
Treated
C
To treat
D
Treating
----Can you attend tomorrow’s meeting?----I am sorry , but I will have too much work__________．
#90920
A
to see to to come
B
seeing to come
C
to see to coming
D
doing to come
Coming into the room, I found them _______ at the table, ________ chess.
#90415
A
seated; played
B
seated; playing
C
seating; playing
D
seating; played
The German athlete, ________ several attempts to beat the world record in high jumping, decided to have another try.
#91060
A
to make
B
having made
C
making
D
made
—How about your travel? —You can hardly imagine what difficulty we have had ______ the vast desert.
#95344
A
explored
B
exploring
C
to explore
D
explore