In 21st century, scientists continue to look for new ways ...

[ Word Form & Verb Tense ]

In 21st century, scientists continue to look for new ways _____ serious disease and slow down the ageing process

A. to treat

B. treat

C. treatment

D. treated

Select your answer:

Random Topics:
Verb Forms Modals and Conditionals Comparatives - Superlatives Modal "Have to"Modal Verbs and Conjuctions Past, Present, Future 1st and 2nd Conditionals Asking and Giving Suggestion Although, Though, In spite of, Despite

Other quiz:

Past Simple (to be) › View

They (not/be) on the bus when I called.

A. They weren’t on the bus when i called.

B. They wasn’t on the bus when i called.

C. They are on the bus when i called.

Grammar › View

I like ________ carefully about things before making decision.

A. think

B. thought

C. to think

D. thinking