单项选择题

A．calling
B．calls
C．call
D．called
<上一题 目录 下一题>
热门 试题

单项选择题
A．floatB．sinkC．buoyantD．drift
A．float
B．sink
C．buoyant
D．drift
单项选择题
A．Two students.B．A student and a parent.C．A teacher and a student.D．A student and a supervisor.
A．Two students.
B．A student and a parent.
C．A teacher and a student.
D．A student and a supervisor.
相关试题