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 living room is clean and tidy, with a dining table already ______ for a meal to be cooked.
#90697
A
having laid
B
laying
C
laid
D
being laid
With the final examination ______, we are busy going over what we’ve learnt this term.
#89726
A
is approaching
B
has approached
C
approached
D
approaching
_____ he’s only been learning English for a year, he speaks it very well.
#98838
A
Considered
B
Considering
C
Having considered
D
To consider
___________ that the government can lead them out of the financial crisis, people are optimistic about the future of the country.
#99013
A
Convincing
B
Convinced
C
To convince
D
Having convinced
______ their hats into the air, the fans of the winning team let out loud shouts of victory.
#92652
A
To throw
B
Thrown
C
Throwing
D
Being thrown