[ Tenses ]
They ______ for five hours before reaching the mountain.
A. climb
B. were climbing
C. had climbed
D. had been climbing

Random Topics:
Adjectives & PrepositionsPassive and Active VoiceArticles - rulesCan, Could, May, MightIf ConditionalsTypes of Sentence StructuresClausePast Simple and Past Continuous TensesGrammar (want to/ need to/ have to)Sentence CompletionOther quiz:
Verb Tenses › ViewIdentify the verb tense in the following sentence: They have lived in this city for five years.
A. present perfect
B. future perfect
C. past continuous
D. present simple
Question Tags › View
He’s been to Italy twice, ___?
a. has he
b. hasn’t he
c. had he
The news _______ not very good yesterday.
A. is
B. are
C. was
D. were
Grammar › View
I ______ to the museum every Sunday, but I ______ go this week because of the weather.
A. go / am not going to
B. went / don’t
C. am going / didn’t
D. will go / didn’t
E. go / won’t go
