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”
Random Topics:
Present Perfect Simple and ContinuousComparison & Modal Verbs in Passive VoiceGrammar and PunctuationVerb + InfinitiveAdverb of TimePhrasal Verbs and Verb FormsInfinitives and ING FormsAdjectives or AdverbsSimple Verb TensesRun-On SentencesOther quiz:
Grammar › ViewAnini … song every night.
A. Sings
B. Sing
C. Is
D. Does
Reported Speech › View
Gina said, “I am unable to upload files using FTP.”
A. Gina said that she was unable to upload files using FTP.
B. Gina said me that she is unable to upload files using FTP.
C. Gina said that we are unable to upload files using FTP.
D. Gina said I was unable to upload files using FTP.
She ________ have short hair, but now it’s long.
A. used to
B. didn’t
C. use to
Grammar › View
I ____ my English homework, but I haven’t done my Spanish homework _____.
A. already do / yet
B. already did / still
C. have already did / still
D. have already done / yet