The children，________ had played the whole day long，were worn out.
| A．all of what | B．all of which |
| C．all of them | D．all of whom |
On May 10, 2013, Ma Yun resigned as CEO of Alibaba, and Lu Zhaoxiit over.
| A．took | B．handed | C．got | D．came |
is some doubtTom will come to see me this weekend as usual.
| A．It; that | B．It; whether |
| C．There; that | D．There; whether |
—Have you heard that Jones, along with her parents, to Hainan for the winter vacation?
—Really? No wonder I haven’t seen her these days.
| A．has been | B．have been |
| C．has gone | D．have gone |
The book was writtencareful observations and detailed studies.
| A．on the ground of | B．on behalf of |
| C．on average | D．on the basis of |
—How did he break his head while swimming?
—my warnings, he dived straight into the shallow water.
| A．To ignore | B．Ignored |
| C．Ignoring | D．Being ignored |