L5 课前测

. The Russian scientists ________ the vaccine against Covid-19.

• are said to be developed

• are said to have developed

• had said to develop

• have said to have been developed

Tom was proud ________ captain of our school football team.

• to choose

• to be chosen

• to have been chosen

• to have chosen

Researchers claim ________ the first proof that getting a regular eight-hour sleep every night makes a real difference to our health.

• finding

• having found

• to find

• to have found

-- Mark, I failed in the exam again, I’m so upset.

   -- Don’t worry, I think the first thing ______ is ______ your weak points.

• to do, find out

• being done, to find out

• to do, to hold out

• being done, hold out

As we all know, every minute _____ full use of ____ our lessons will do good to us students.

• which makes; studying

• when made; to study

• that is made; study

• that is made; studying

It takes them hundreds of years (a)   (break) down.

He was the last one (a)   (rescue) by the firefighters from the building that caught fire last night.

It is rather for us (a)   (devote) here to the great task remain ing before us — that from these honored dead we should take increased devotion to that cause (事业).

With a lot of homework (a)   （do）， I decided not to watch the performance with you.

You shouldn’t make the guests (a)   (wait) for so long there.