I think English food is .[ ]
A. red
B. well
C. small
D. delicious
答案：D
通过精确测量发现，地球是一个（ ）
A．正圆形球体
B．纺锤形球状
C．不规则球体
D．规则球体
—Tony, you must have noticed the student who broke the window.
—I’m sorry. I _______ attentively.
A．studied
B．was studying
C．am studying
D．would study
