【单选题】
I felt approaching footsteps. I stretched out my hand as I supposed to my mother.
①
A. 我感到有人走近，于是伸出了手，以为是把手伸向母亲。
②
B. 我感到有人走近，我就伸出了手，因为我在等我的母亲。
③
C. 我感到有人向我走来，我想那是我母亲，她把手伸向我。
④
D. 我感到有人向我走来，我想那是我母亲，她伸手搂抱我。
【单选题】
Every time when I go back to my hometown, I usually spend two days ____ of my relatives.
①
going the rounds of
②
rounding up
③
making the rounds of
④
rounding on
【单选题】
Where is my pen? I________it.
①
might lose
②
would have lost
③
should have lost
④
must have lost