Vocabulary speculating

A: Have you seen that Rafael and Lina have got a new car? // B: Yes, they __________ the impression of having plenty of money.

A: How much do you think that painting is worth? // B: I'd __________ a guess at about $500.

A: I __________ it might rain later // B: Yes, it __________ as though it could

A: What do you think it's supposed to be? // B: I __________ it could be an animal of some sort.

A: I __________ if she'll remember we're coming. // B: If not, we'll surprise her.

A: What time do you think they'll arrive? // I'm pretty __________ they'll be here by six.

A: If I had to make a guess, I'd __________ it was that way. // B: It __________ to me that we're lost.