It was the first time in my life that I _________ the Great Wall. You can’t imagine how excited I felt!
| A．had visited | B．visited |
| C．visit | D．have visited |
The light in his office is still on．I wonder _______．
Maybe at midnight again．（ ）
A．if will he stop working
B．if he will stop working
C．when will he stop working
D．when he will stop working
Yesterday，Mr．Green went to his hometown and visited the old house ____ he was born in．（ ）
A．whichB．whereC．whatD．it
Oh，my God!I have ______ five pounds．
Don't worry．It's normal for a growing teenage girl．（ ）
A．put upB．put offC．put onD．put down
As China grows stronger and stronger，Chinese ______ in more and more schools out of our country．（ ）
A．teachesB．is taughtC．has taughtD．was taught
I didn't believe I could do it ____ I got to the top of Mount Tai．（ ）
A．unlessB．untilC．afterD．as