1.3 Unit 1 Discovering Useful Structures Grammar语法现在分词动词ing做定语和表语-高一英语同步精品课件+课后习题（人教版2019必修第三册)

Unit 1 现在分词动词ing做定语和表语 一、单项选择 1．His trouble is ______________ every means but being still poor. A．trying B．to have been trying C．to try D．having tried 2．What worried the teachers most was ______ to take the College Entrance Examination. A．his being not allowed B．his not allowed C．his not being allowed D．having not allowed 3．It took the workers ______ the factory a long time to adapt themselves ______ the new rules. A．belonging to; for B．belongs to; to C．belonged to; for D．belonging to; to 4．I had expected________ a lot of people________ to buy new books at the book fair, but only a few showed interest in books of today which are usually full of emptiness. A．there to be; waiting B．to have; waited C．there being; to be waiting D．were there; waiting 5．The flowers ________sweet in the garden attract the visitors to the beauty of nature. A．to smell B．smelling C．smelt D．to be smelt 6．________ from errors and what went wrong in the previous research studies will go a long way to________for exc