[ 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
Random Topics:
Present and Past Simple TensePast ModalsGrammar ModalsAdverb of MannersComparative and SuperlativesPresent Perfect: for/sincePresent Simple vs Past SimpleAdverb of FrequencyIN, ON & ATPresent Tenses: Simple vs ContinuousOther quiz:
Past Tenses › ViewHe happily sang all night, last night.
A. simple past
B. past continuous
C. past perfect
Modal Verbs › View
When I was 15 years old, I ________ run 100 metres in 11 seconds.
A. have to
B. would
C. should
D. could