Entering the room, I found Mary ______at the desk and _____a letter.
#90753
A
seated; wrote
B
sitting, written
C
seating; writing
D
seated; writing
推荐题目
The teacher just took down the names of the students _______ during the exam.
#90378
A
caught cheating
B
caught to cheat
C
catching cheating
D
to catch cheating
After________ by the police for several days, the robber had to give in. 
#94700
A
surrounding
B
surrounded
C
surround
D
being surrounded