With a lot of assignment ________, little Tom still feels very easy.
#88591
A
do
B
done
C
doing
D
to do
推荐题目
I got to the office earlier that day,   the 7:30 train from Paddington
#90663
A
caught
B
to have caught
C
to catch
D
having caught
—Who is the man ______ by a group of students there?—A professor _____ research on physics.
#89882
A
followed; did
B
following; did
C
followed; doing
D
following; doing
Entering the yard, I found it _________ with lots of _______ leaves.
#90827
A
covering; falling
B
covered; fallen
C
covered; falling
D
covering; fallen