Gramma – Thì hiện tại hoàn thành & V- ing và nguyên thể của động từ
Vui lòng cài đặt đề thi trước khi làm bài
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We ______ in Hanoi for a long time.
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Up to now, the discount ______ to children under ten years old.
Choose the best answer.Jane is a wonderful singer.
Her mother tells me that she ______ professionally since she was four
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None of the students ______ to class yet.
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A digital camera is used for _____ the pictures and video clips in electronic format instead of to film.
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People use a tooth sensor ____ any bacteria causing cavities, or any other infections in your teeth.
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Lima Billboard in Peru is used _____ clean water from Lima’s extremely humid air.
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“Where’s Tony?” “He ______ to the travel agent, and he hasn’t come back.”
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I’d like to see that football match because I ______one this year.
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I can’t believe that you ______all the three exercises. You just started five minutes ago.
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Tom often watches TV after his parents ______ to bed.
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Their children ______ lots of new friends since they ______ to that town.
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He ______ off alone a month ago, and _______ of since then.
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They often use a webcam _____ moving pictures and sounds and allowing these to be broadcast on the Internet.
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A smart watch is used _____ you access to lots of information besides the time of day, such as missed calls, messages, and emails.