1.①Study hard ,______you’ll succeed.  ②Study hard, _____ you’ll fail.  A. unless   B. or  C. but   D. and
D
B
2. ①He lived in the city of Beijing  ______there’s a theme park.  ②He lived in the city of Beijing and _____ there’s a theme park .in that        B. in it C. where        D. wherever
C
B