He expressed his gratitude to his head teacher, without _______-help he wouldn’t have made such great progress in his studies.
The teacher simplified the reading materials, ______ it easy for the students to read.
The British team, ______ several attempts to climb Yulong Xueshan, decided to have another try this summer.
—You didn’t wait for Mr. Smith last night, did you? —No, but we ______. He didn’t return home at all.
John didn’t come along, ______ making it necessary for us to get someone else to replace him.
— Does the young man standing there ______ the company? — No, the company is ______ his father.