I like the colour of the cap ______ I dislike its design.
. From this simple concept ________ that has caused a great change in farming.
. ________ when she started complaining.
. An awful accident ________, however, occur on the express the other day.
. Was it ________ your son won the first prize last month that please you?
强调、倒装与省略(句). It was ________ he studied that he managed to receive a doctor’s degree.