—Is this          pen, Tim? —No. It’s Mary’s.
#53629
A
you
B
your
C
yours
D
yourself
推荐题目
-       under           ?-My baseball.
#38747
A
What’s, the sofa
B
Where’s, the sofa
C
What are, a sofa
D
Where are, a sofa
---Michael,           do you go swimming?--- Twice a week.
#39726
A
how many
B
how long
C
how often
D
how soon
Whatever you do, ________ is difficult if you put your heart into it.
#54878
A
nothing
B
anything
C
something
D
everything
-    are the keys?-     on the table.
#38740
A
Where, It’s
B
What, It’s
C
Where, They’re
D
What, They’re