Page 410 - Grammar Explorer 2 - demo

Review the Grammar UNIT 14

Charts 1 Circle the correct words to complete the conversation. Sometimes both answers are correct.
14.1–14.6 See pages A7–A9 if necessary.

Melanie: My brother Rob (1) sent to me / sent me an interesting article last night. He’s

(2) working an assignment / working on an assignment about a Japanese
space project called Ikaros.
Ross: Ikaros? What’s that?

Melanie: It’s a spacecraft that uses solar power instead of rocket fuel. It has a huge
1
sail that (3) takes in energy / takes energy in from the sun and stores it.

The sail measures just over 46 square feet (14.1 square meters). Light from
the sun (4) hits to the sail / hits the sail and bounces off. This allows Ikaros
to (5) move / move in through space.

Ross: Wow! I’m sure Ikaros didn’t get into space on its own, though . . .
Melanie: No, Ikaros couldn’t (6) take off / take away from Earth on its own. It was
launched on a rocket in 2010 and when it (7) arrived space / arrived in space,

the sail (8) carried out its task / carried its task out perfectly.
Ross: And where is Ikaros going?

Melanie: It’s already taken photos of Venus and now it’s (9) going back / going ahead
to the sun . . . Anyway, back to Rob — he’s probably finished his assignment
and he wanted me to (10) look over it / look it over for him.

1 solar power: power from sun

The solar yacht Ikaros uses a large, square sail to travel
from Earth to Venus and the sun.
390 VERBS
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