[ Grammar ]
We must find ________ solution to _______________ problem.
A.-,a
B. a, the
C. an, the
D. the,a

Random Topics:
Past ParticipleConditional and Mix Conditional Sentence1st & 2nd ConditionalsArgumentative VocabularyRelative ClausePast Progressive TensePresent Tense (Negatives and Questions)ExclamationIrregular verbsModal and Auxiliary VerbsOther quiz:
Passive Voice › ViewTom opens the door. The passive is …
A. The door was opened by Tom
B. The door opened by Tom
C. The door is opened by Tom
D. The door is being opened by Tom
Future Tenses › View
I _______ my homework by 9 p.m. (completed action before time in future)
A. will have been doing
B. will have done
C. will be doing
Present Continuous Tense › ViewHe ……………………sitting on the table.
A. Am
B. Be
C. Are
D. Is
Vocabulary › View
you are getting it ready for the next step
A. storage
B. transplanted
C. blooming
D. prepping
