Choose the best answer to complete each of the following sentences.
3. Britain has accused Russia ____ poisoning the ex-Russian spy Sergei Skripal and his daughter.
4. Thuy: "Thank you very much for helping the disadvantaged children here.
Mrs. Angela: "_______________."
5. Last summer, we ___ to travel to Phu Quoc, which is considered the pearl island
of Vietnam.
6. Unable to remember _____, he walked around the neighborhood looking for his car.
7. Sometimes at weekends, my father helps my mom with_____ meals.
8. Don't put off doing your homework until tomorrow. Do it right now, _____?
9. Detroit used to be the capital city of Michigan, but now Lansing _____ to be the state's capital city.
10. Face ID, which is an Apple's security technology for iPhone X, permits users _____ their devices just by looking at them.
11. Mary: "Sorry, I forgot to phone you last night." Tom: "________"
12. I deeply regret ____ to her so severely last night. She was badly hurt.
13. It _______ half of your plate should consist of vegetables and fruits.
14. Mangkhut is the most powerful storm ______ Asia this year.
15. Some modern couples organize their marriage and work out the tasks and duties, which may gradually turn their marriage into a business or ______ relationship.
16. Smartphones, laptops and tablets are the modern devices __ have changed the way we learn.
