题文
I never doubt ______ the science museums are worth_______.
| A．whether，visiting | B．that, to visit |
| C．whether , a visit | D．that ,a visit |
I never doubt ______ the science museums are worth_______.
| A．whether，visiting | B．that, to visit |
| C．whether , a visit | D．that ,a visit |
试题篮
()
粤公网安备 44130202000953号
