Grammar Quiz
[ 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:
A  B  C  D  E 


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 Sentences

Other quiz:

Electricity Vocabulary › View

What device measures the potential difference (voltage) between two points in a circuit?

A. Ammeter

B. Voltmeter

C. Resistor

D. Schematic

Verb Patterns › View

need

A. to swim

B. swimming

Grammar › View

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

➤