It looked dark and heavy ________ it was going to rain.
A. mặc dù
B. như là khi
C. không là..
D. trong khi
Tom: "___________________ " Mike: "I won't say no!"
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
_______ has been a topic of continual geological research.
Regular exercise and good diet will bring______fitness and health.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
The pool should not be made so deep______small children can be safe there.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
According to critics of globalization, several developed countries have become rich because of
He_______________us but he was short of money at the time.
We must push the piano to the corner of the hall to_____________________ our party tonight.