—Jim, what are you _______?—A dog. It is playing with a ball on the floor. 
#59210
A
looking for
B
looking at
C
looking like
D
looking up
推荐题目
I found him worth     because he devoted all his time he had to     people in need.
#54028
A
mourning ,help
B
mourning ,helping
C
mourn ,help
D
mourned help excited
The shoes were worn out, what’s more, they aren’t worth _____. 
#54971
A
to mend
B
mending
C
mended
D
for mending
How time flies! Three years _________
#52511
A
have passed
B
has passed
C
is passed
D
are past