With the development of science, more new technology _______ to the fields of IT.
| A．has introduced | B．is being introduced |
| C．is introduced | D．was introduced |
-Where's Amy7
-I'm not sure．She ____ be in the laboratory
| A．might | B．can |
| C．must | D．should |
Look！I haven't worn the dress for nearly ten years and it
| A．was still fitting | B．is still fitting |
| C．still fitted | D．still fits |
This kind of music ____ fifty years ago is still popular today
| A．having created | B．creating |
| C．being created | D．created |
-Where are you exactly？
I____to you from a small town about 50 miles away from your city
| A．will speak |
| B．am speaking |
| C．have spoken |
| D．speak |
About an hour after sunrise，I rode across the countryside____birds were singing．
| A．where | B．which | C．that | D．when |