After Jack had sent some e-mails, he______ working on his project. (2012 .山东)
| A．had started |
| B．has started |
| C．started |
| D．starts |
相关试题
-- I am going to Sidney for further studies next month.
-- That’s fantastic. Can you keep emailing me ______ you are there?
| A．though | B．because | C．until | D．while |
We’ll have a sports meet for the next three days.________，we won’t have lessons for three days.
| A．In other words | B．On the other hand |
| C．For one thing | D．As a matter of fact |
George urged that Peter______ the boat around.
| A． turning | B． to turn | C．turned | D．turn |
So far the majority of cloned animals have suffered from some different serious disorders, ______ died soon after birth.
| A．many of which | B．many of whom | C．many of them | D．many of that |
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