—Why didn’t you answer my phone at 10 am?
—I for my decayed tooth in the clinic.
| A．treated | B．was treated | C．have been treated | D．was being treated |
Public attention at the moment is ______ on the problem of how to create
opportunities for the laid-off workers.
| A．focused | B．paid | C．attracted | D．concerned |
.His conclusion, ______ on careful research, was acceptable.
| A．to base | B．to be based | C．basing | D．based |
.Our neighbor has ______ ours.
| A．as a big house as | B．as big a house as |
| C．the same big house as | D．a house the same big as |
.She was, ______ thousands of others, interested in this kind of work.
| A．like | B．as | C．for | D．to |
Those T-shirts are usually $35 each, but today they have a ______ price of $ 19 in the Shopping Centre.
| A．regular | B．cheap | C．special | D．different |