While watching television, .
| A．the doorbell rang | B．the doorbell rings |
| C．we heard the doorbell ring | D．we heard the doorbell rings |
Tens of thousands of people starved to _____ when the two countries were at war.
| A．die | B．death | C．dead | D．dying |
______ many people’s expectation, he was defeated in the first round.
| A．In stead of | B．In spite of | C．Contrary to | D．On account of |
I could hardly believe he ______ have been taken in by such a simple trick.
| A．could | B．should | C．may | D．must |
The school _______ he once studied in is famous.
| A．where | B．in which | C．in that | D．that |
The doctor said there was ______ with her, but she could not help worrying.
| A．serious something | B．nothing serious | C．something serious | D．serious nothing |