[ Tenses ]
Choose the correct form of simple past continuous tense: They (cook/cooking) dinner when the guests arrived.
A. cooked
B. cooks
C. was cooking
D. were cooking

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Grammar & Vocabulary › ViewIf you travel on one of these, an astronaut you must be. As it takes you to outer space, where there is zero gravity.
A. hot air balloon
B. space shuttle
C. submarine
D. helicopter
Correlative Conjunction & Complex Sentences › View
Making new habbits is not easy ,,,, it takes time.
A. but
B. and
C. although
D. both and
Grammar › ViewScientists are predicting that next year the weather will __ than it is now.
A. even hottest
B. be even hotter
C. be hottest
D. even hotter
Basic Grammar › View
They live in ___ house.
A. They live in house.
B. They live in a house.
C. They live in an house.
