Had you joined the chat room ten minutes ago，you would have known what we
about then．
| A．had talked | B．have talked | C．talk | D．were talking |
It is___to include really high-quality illustrations
| A．worth |
| B．worthy |
| C．worth while |
| D．worthwhile |
The chemistry teacher required the students___more attention___the lab clean
| A．to pay;to keep |
| B．to paying;to keeping |
| C．to pay;to keeping |
| D．paying;keeping |
—Do you know where the woman is from?
—No.But when she talked to me yesterday,her accent suggested that she___a native from Shanghai
| A．should be |
| B．be |
| C．was |
| D．were |
I’d suggest the visitors___to Shanghai Museum
| A．to go |
| B．will go |
| C．go |
| D．went |
One should always___one’s opinions___facts
| A．base;on |
| B．basis;on |
| C．basic;on |
| D．depend;on |