．________ several important decisions based on emotion instead of reason, he felt bitterly regretted.
| A．Making | B．Having made |
| C．Made | D．To make |
. In no other countries ________ so large a proportion of their space to the activities of the movie and football stars.
| A．devote so many newspapers | B．do so many newspapers devote |
| C．so many newspaper devote | D．so many newspaper do devote |
. From this simple concept ________ that has caused a great change in farming.
| A．has developed a technique | B．has a technique developed |
| C．a technique has developed | D．developed as a technique has |
. ________ when she started complaining.
| A．Not until arrived he | B．No sooner had he arrived |
| C．Hardly did he arrive | D．Scarcely had he arrived |
. An awful accident ________, however, occur on the express the other day.
| A．does | B．did | C．has | D．had |
. Was it ________ your son won the first prize last month that please you?
| A．who | B．that | C．what | D．which |