___ Mary is sleepy, she insists on finishing her homework rather than ___ to sleep.
. ________ 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.
.Growing around the river ________ wild flowers of almost the same colour.