Topics: Gerunds and Infinitives
As doctors continue (search) _______ for a cure for the common cold, they have found some things that make people more vulnerable to catching a cold.
A. to search
B. searching
C. to search
D. “to search” and “searching”
Select your answer:
Random Topics:
Adjective or AdverbVerb Tenses (Progressive, Perfect)Grammar - much, many, a lot ofTenses and StructuresVerb to haveToeic VerbArticleTenses and ArticlesVerbsPast Tense and NeutralOther quiz:
Modal Verbs › ViewThey ___ go abroad but they decided to stay in Ukraine.
A. must
B. could
C. had to
D. could (past)
E. didn`t have to
Present Tenses › View
Why ___ (you, not finish) the report yet?
A. do you not finish
B. are you not finishing
C. have you not finished
D. have you not been finishing