_______ in the computer game, Peter didn’t notice his father approaching.
A. Being lost B. Lost
C. Losing D. To lose
_______ I went to the South Lake in Hanzhong, I was deeply impressed with its beautiful scenery.
A. For the first time
B. The first time
C. At first
D. It was the first time
Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute.
A. is B. was
C. has been D. had been
Don’t call me up at this time tomorrow, for I _______ an important test.
A. will take B. am taking
C. have been taking D. will be taking
It’s the third time that Li Ming has been to Xi’an , _______?
A. isn’t he B. hasn’t he
C. isn’t it D. hasn’t it
--Li Ping often watches _______ English TV news in her spare time.
---No wonder she has _______ command of English.
A. /; a B. an; the
C. the; / D. an; a