News came __________ the H1N1 virus may spread more quickly than was thought.
| A．when | B．where | C．which | D．that |
推荐试卷
News came __________ the H1N1 virus may spread more quickly than was thought.
| A．when | B．where | C．which | D．that |
试题篮
()
粤公网安备 44130202000953号
