1.My sister is interested in watching TV My sister likes watching TV. 2.The Nile is the longest river in the world. No river in the world is longer than The Nile. 3.We will probably go to the moon for our summer holiday in 2050. We might go to the moon for our summer holiday in 2050. 4.In the Future, home robots can do all our homework .

1.My aunt (visit)..........visited....................... Tokyo last Tuesday.

2. I (visit)..........will visit............ Parisnext year

3. Peter (see).............saw............ High School Musical last Sunday.

4. Nam (not do) ...........didn't do................ his homework yesterday.

5. You (clean)......................Do you clean....................... your room everyday?

6. You (meet)...................Did you meet.................... Hoang and Phuong two days ago?

7. If we (cut)....cut......... down trees, there(be).............will be............ flood in many parts.

8.In the future, people  might (go)........go........... on holiday on the moon.

9. We (not go)...........won't go................... for a walk if it (rain)..........rains................. tonight.

10. Mrs Nga (not/ take)..............didn't take.................. a bus to work yesterday.

11. She ever(see) ……………has ever seen………..a real robot at work.

12. If it  (be) ………is……….sunny next week,we (go) ……will go………………..to Ha Long bay.

Đọc tiếp

don't often listen ... are listening

is coming

Does she clean

do you have

is waiting

study

are working

don't visit

some

watches / sleeps

come

meets 

has

$2,5.4+1,2.6+2,5.6+1,2.4$

$=(2,5.4+2,5.6)+(1,2.6+1,2.4)$

$=2,5.(4+6)+1,2.(6+4)$

$=2,5.10+1,2.10$

$=10.(2,5+1,2)$

$=10.3,7$

$=37$

x=10-1

x=9

x= 10 - 1

x=9