Before （write) ________ an application letter, you should be aware what kind of people the

An acceptable means of tightening connecting rod and main bearing cap bolts is to measure the ______Itorque applied to each nut and bolt assembly IIstretch of each nut before and after tightening

Do ______ an estimate before getting it in writing.A．not ever acceptB．never acceptC．accept

Pakistani and U. S. officials have formally signed an agreement before they______.A．fought

It ______ him half an hour to write the letter.A、takeB、takesC、tookD、taking

______is NOT a novelist who is famous for applying stream-of-consciousness in the writing.

Never before______ so many people applied such abstract mathematics to so great a variety