A

A

A

1. 7 a.m and 6.30 p.m

2. Because public transport is cheap. Besides, travelling by public transport is a good way to reduce air pollution and the use of petrol, so it can help us protect the environment.

''why don't we travel to work by bus instead of motorbikes''said bill.

- bill suggested.............travelling to work by bus instead of motorbikes.............................................................

''when does your school vacation start ?'' ba asked lan

- ba asked lan ....................when her school vacation started...................

the woman wrote to me . she wanted to get my advice.

- the woman..............who wanted to get my advice wrote to me...........................

1.  bill suggested..............suggest why didn't we travel to work by bus instead of motorbikes

2. ba asked lan ............when her her did school vacation star

3.  the woman..............who wanted to get my advice wrote to me...........................

C->technology

a->can

b->ours

c->electric

1. More than 100 years ago (A), people created (B) the technological (C)->technology to exploit (D) 1 fossil fuels.

2. We can't (A)->can travel by car (B), bus, bike, motorbike, or walk (C) - the choice is yours (D)!

3. Their mission is similar (A) to our (B)->ours - we are both (C) creating a sustainable (D) future

.4. More and more (A) people are (B) choosing electricity (C)->electric  vehicles over gas-powered(D) cars.

5. In (A) the United States, most of their (B) use of fossil fuels (C) are (D)->is for transportation. 

Đáp án: I suggest going to school by bike (instead of motorbike) to save energy

I suggest going to school by bike (instead of motorbike) to save energy.

I suggest going to school by bike (instead of motorbike) to save energy.

why don't we travel by bus

->How about travelling by bus?

what about traveling by bus

why don't we travel by bus?

= what about travelling by bus?

=How about travelling by bus?

= Let's travel by bus

= Shall we go by bus?