问题

The World Health Organization expects a vaccine(疫苗)against H1N1 to be by September or October this year.
A:aggressive
B:available
C:absolute
D:abnormal
B:available
C:absolute
D:abnormal
正确答案是:
同类题型
Tom didn’t lose heart _________ he failed in the job interview and wasn’t admitted to the company
past few years, sea ice ____ in the Arctic as aresult of global warming
All the tickets for the flight have been sold out. You can one for tomorrow.