[ Tenses ]
Before we knew what was happening, the roof _____.
A. has fallen in
B. will fall in
C. had fallen in
D. had been falling in
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First ConditionalsGrammar ( going to)Past or Present Verb TenseLinking Verbs & Helping VerbsModal Verbs and Gender NounsPresent/Future/Past Simple/Present PerfectSimilesInfinitives and GerundsRelative Clauses and Past PerfectRelative Clauses with who and whichOther quiz:
Tenses › ViewBy 1914, Fawcett, ___ to formulate ideas, based on his research, about a legendary lost city he named Z. In 1925, he ___ a three-man team that included his son Jack into Brazillian jungle to find the lost city of Z.
A. has begun / leads
B. had begun / led
C. begins / has led
D. was beginning / was leading
E. was going to begin / led
Vocabulary › View
A number without a variable; a number by itself; a quantity that does not change its value
A. Constant
B. Algebraic Expression
C. Coefficient
D. Distributive Property
E. Equation
Grammar › View……………….your father at home?
A. Are
B. Am
C. Is
D. Be
Grammar › View
We —- a car.
A. Have
B. Has