They were busy ________ an experiment when I came.
#92445
A
doing
B
to be doing
C
with doing
D
to do
推荐题目
The employees were made to spend as much time as they could ______ more products to meet the _______ market.
#96471
A
producing; growing
B
to produce; grown
C
to produce; growing
D
produced; grown
The singers _____ from the whole country are expected to bring us a wonderful performance this weekend.
#91173
A
selecting
B
selected
C
having been selected
D
to select
Ladies and Gentlemen, please remain until the plane has come to a complete stop.
#94780
A
seated
B
seating
C
to seat
D
seat
Victor apologized for to inform me of the change in the plan.
#95569
A
his being not able
B
his not being able
C
him not to be able
D
him to be not able
In 2012 MoYan won the Nobel Prize for Literature, ______ a host of imitators.
#91697
A
inspiring
B
inspired
C
having inspired
D
to inspire