[ Grammar ]
______ change our research topic, we may not find enough reliable sources.
A. Rather than we
B. Whether we
C. Unless we
D. If we will

Random Topics:
Simple Present and Present ContinuosVerbs and TensesModals and Modal PerfectsTenses - AuxiliariesGrammar - Present Perfect TenseGrammar - ConnectorsPresent Perfect ContinuousProgressive Verb TensesVerbs and PrepositionsAdverbs or AdjectivesOther quiz:
Modals › View______ you pass me the salt, please?
A. Can
B. Can’t
C. Could
D. Couldn’t
Grammar & Vocabulary › View
Which sentence is correct?
A. These phones are most expensive than those.
B. These phones are more expensive than those.
C. These phones are expensiveer than those.
D. These phones are expensivest than those.
Grammar › View____ people like running, while others do not like it.
A. Much
B. None
C. Any
D. Some
Gerunds and Tenses › View
. Which sentence is in the present continuous tense?
A. I play soccer now.
B. I am playing soccer now.
C. I playing soccer now.
D. I played soccer now.
