[ Grammar ]
It was really difficult _____ on the hot sand.
A. to walk
B. walk
C. walking
D. for walking

Random Topics:
-ed/-ing AdjectivesGrammar: Have toPast Progressive TenseGrammar - Countable/ UncountableTenseGrammar & VocabZero & First ConditionalContrastive ConjunctionsNumbersParts of SpeechOther quiz:
Grammar › View“The homecoming game will be an awesome event if we win, and I hope the weather is nice.” What is the part of speech for “an”?
A. Adverb
B. Pronoun
C. Interjection
D. Article
Vocabulary › View
To arouse interest or curiosity
A. Intrigued
B. Apprehensive
C. Ritual
D. Transgression
