Fill in the blank with the correct option.

New tests----------- to analyze the reaction of the new medicine on humans.

Choose the correct option to fill in the blank with the appropriate modal in the following sentence :

If I were a cosmonaut, I _____ have taken you to the moon :

Choose the appropriate alternative for the underlined word.

You should at least congratulate your friend for his grand success in the elections.

Choose the correct reported construction of the given sentence:

It surprised us that he said, "I won't do it."

Fill in the blank with the correct verb form from the options given below:

As the world is ______ from the evil clutches of climate change, the role of society is to preserve the environment for future generations.

Choose the correct word from the options given below to fill in the blank:-

Had she _______ the importance of this conference, she would have made sure to attend.

Fill in the blank with the appropriate word from the given options.

The newly admitted students walked into the college laboratory _____________.