Have/ you/ ever/ attend/ video conference
A. Have you ever attended a video conference?
B. Have you ever attending a video conference?
C. Have you ever attend a video conference?
D. Have you ever attends a video conference?
Đáp án đúng là: A
Câu chia thì hiện tại hoàn thành vì có “ever”
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Choose the letter A, B, C or D to complete the passage below
E-mail, and chat rooms let children (16)______ with friends and family members. They can also allow children (17)_________ with people that they have never met in person. Knowing a little about each of these communication services can help parents (18)________ children safer while online.
Through e-mail, (19)_________can easily send and receive messages. These messages may also have text, audio, and picture files attached. Signing up for an e-mail account is simple because most services offer them (20)_______ free. Sometimes these messages contain viruses, or other inappropriate content, so parents should warn children to be wary of e-mails from unknown people.
To communicate face-to-face is more convenient than to interact online.
Through e-mail, (19)_________can easily send and receive messages. These messages may also have text, audio, and picture files attached.
It’s required that you have to follow netiquettes in this chat room.
Signing up for an e-mail account is simple because most services offer them (20)_______ free.