[ Grammar ]
We(spend)………… ………………………our summer vacation in Ha Long Bay last July.
A. spend
B. spent
C. spends

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ConnectorsPhrases & ClausesLinking Verbs and TensesPresent Simple VS ContinuousSubjective and Objective PronounVocab CheckingPresent Simple for Future ArrangementComparatives - SuperlativePast Perfect and Past Perfect Continuous TenseGrammar for TOEFLOther quiz:
Grammar › ViewBadr …………………. tailgate.
A. must
B. mustn’t
Gerunds and Modals › View
I enjoy ________ (do) nothing on weekends!
A. doing
B. to do
C. do
Grammar › Viewhow many ________ do you have?
A. childs
B. children
C. child
D. –
Tenses › View
It is a clear fact that we ___ most of the precious natural resources by the time we ___ to do something to protect them.
A. have lost / will decide
B. will have lost / decide
C. had lost / have decided
D. are losing / decided
