1/ put the verbs in brackets in the correct verb tense:the present perfect or past simple
1.Someone (turn)..........on the hi-fi.Do you know that song?
2.My mother (do) ...........all the cleaning.The apartment is really clean now.
3.He (lose) ........his credit card.He can't find it anywhere.
2.messages campuses stores
colleges
3.computers have been ......widely all overthe world nowadays.
A.in use B.on use. C.of use . D. with use
4.were those printers......in Viet Nam or in China?
A.produced. B.producing. C.to produce. D. Be producing
5.problem/no/is/idea/I/have/what/the.(sắp xếp)
6.information/computer/school/all/is/in/the/the/of/our/stored.
7.computers/students/messages/send/receive/using/can/by/and.
8.Fill in each blank with the appropriate adjective from the box.
Difficult . bad. Interested . good. Careful . right . useful. Convenient . interesting. Challenging
1/you must be..........when you enter this program.
2/His son is very .......at computers
3/That's the.....answer to the question.You should follow it.
4/My younger brother is very.......in playing computer games
5/Learning how to use a computer is not.......
6/It is........to work for a foreign company
7/It is......for your health if you often stay up late.
8/I think computers are very......
9/I don't think reading the website is more.......than reading books.
Giúp mình vs nha!!!