He was reading his book, completely _______ to the world.
#98437
A
lost
B
losing
C
to lose
D
to have lost
推荐题目
XiJinping is the first Chinese president _________ the Caribbean country since the two nations established diplomatic ties（建交）in 1974.
#91026
A
visited
B
visit
C
to visit
D
to be visiting
When the teacher came in, the students pretended _____ the text.
#88675
A
to read
B
reading
C
to have read
D
to be reading
While riding in the street, _____________.
#95903
A
someone called me from behind
B
my bike broke down
C
I heard my name called
D
an old man knocked down
_____ extremely exhausted, I turned to look at the puppy that _____ at the door.
#92090
A
Felt, lied
B
Feeling, lay
C
Feel, lied
D
To feel, lain
With a lot of difficult problems_____, the newly-elected president is having a hard time.
#95662
A
settled
B
settling
C
to settle
D
being settling