[ Tenses ]
Which tense is used to describe an action that started in the past and was still happening at another specific moment in the past?
A. Past Perfect Continuous
B. Past Continuous
C. Past Perfect
D. Present Perfect Continuous

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Time Clauses of Future › ViewDon’t worry. I’ll call you ______ I open the letter with my exam results.
A. as soon as
B. if
C. unless
Tenses › View
(FuturePlan) We …………………to Europe in December
A. travel
B. will travel
C. are going to travel
D. have traveled
Grammar › ViewThe old man and his wife …by themselves because their only child … overseas.
A. lived…lived
B. live…lives
C. living…living
D. lives…live
Conjunction › View
Is it a new house __________ an old house?
A. And
B. But
C. Or
D. So
