Se the best answer to complete these sentences below

se the best answer to complete these sentences below.
6. What's the weather ...... in the summer?
A. hot
B. like
7. They are going ........ in a hotel.
A. stay
B. to stay
C. staying
8. The Mekong River is............than The Red River.
C. shorter
A. longer
B. taller
9. There .......... any water in the bottle.
A. aren't
B. is
..pens. And those are ours
C. theirs.
. Ho Chi Minh City in 2013.
C. visited
10. These are
A. they
11. I.
A. go
12.-".
A. What
13.......
A. Do
C. cold
B. their
C. isn't
D. warm
D. to staying
D. higher
D. any
D. them
B. went
.. is your favourite tennis player?" - "I don't like tennis."
B. Which
C. Who
eat too much salt. It's not good for you.
D. has visited
D. Where
C. Please
B. Don't
D. Can't
.........is she so sad?" - "Because she can't watch her favourite film."
B. How
D. When
14. - ".
A. Why
15. English is the.........
C. What
..........of all subjects ,I think so.
A. interesting B. most interesting C. more interesting
16. We will have a.
to do the housework.
A. home robot B. doctor robot C. teaching robot D. worker robot
17. In the future, I will live ........ ...........because I like swimming.
A. in the mountain B. on the Moon C. on the ocean D. under the ground
D. interested