17. learning english is necessary today => it is ..........................
18. using a computer is very simple => it is ................................
19.learning a little english is not difficult => it is ..........................
20. wefind difficult to express our idear in english => it is ..........................
21.ít's not convenient for vietnamese women to wear áo dài at work => vietnamese women find it.....................
22.we spent 5 hours getting to london => it took................................................
23.it is an hour drive from bac giang to ha noi =>it takes................................
24. it took us 30minites to open the door => we spent.............................................
25. he wrote the lettle in two hours => it took..................................................
26. iam very pleased that we shall meet again soon => i'm looking............................................
các bạn làm hộ mình nhé