The genetic engineering, ______ progress has been very rapid recently, is perhaps the most important of all the sciences.
Cinquain is five lines while sonnet of fourteen lines.
____ make progress, she has been studying hard.
They considered ______ a computer, which was considered ________ a great help in their work.
Several weeks had gone by _______ I knew the painting was missing.
Mr. Alexander doesn’t just write for fun; _______, writing is his bread and butter.