It was difficult to ___ through the heavy snow.
a. plod
b. prod

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Superlative AdjectivesPronounsModals - Have to or ShouldSentence Structure and Pronoun AntecedentComparative - SuperlativePresent Simple and Past ContinuousVerb to Be Tenses & Object PronounConjunctions, Interjections and Sentence TypeAdverbs and PhrasesModifiersOther quiz:
Grammar and Vocabulary › ViewYou ____ __ (might / get) good grades in your exam if you’d studied harder.
A. might have got
B. might get
Conditional Sentences › View
John cannot see off his sister at the airport.He has been seriously ill.
A. John’s sister wishes he hadn’t been seriously ill so that he couldn’t see her off at the airport.
B. If John were not seriously ,he could see off his sister at the airport
C. If John hasn’t been seriously ill,he can see off her sister at the airport
D. As long as John could see his sister off at the airport,he couldn’t be seriously ill.
Grammar and Vocabulary › ViewThe lemon is very ___.
A. creamy
B. fresh
C. sour
D. sweet
Grammar › View
Comparison: difficult
A. more difficult than
B. difficulter than
C. most difficult
D. more difficult then