The（） in Janet‘s character has hindered her froom advancement in her career.

_____enoughtimeandmoney,theresearcherswouldhavebeenabletodiscovermoreinthisfield.

Time_____,thecelebrationwillbeheldasscheduled.

He noticed the helicopter hovering over the field. Then to his astonishment, he saw a rope ladder _____ out and three men climbing down it.

You____thatlettertoJames.However，youdidn't.