Some "fill in the blank" test questions i don´t understand.

Hello there,

I have an english "fill in the blank" test here. Sometimes I am not sure which answer is correct. I don´t have solutions for it, so maybe somebody could help me!? Here are the Questions i´m not sure:

Q1: You should read some ____ articles to be up to date.

a) specific aviation

b) aviation-specific

c) aviation specific

d) specific aviation

I would say c) is correct, however don´t know with or without dash (-)

Q2: I look forward ____ you next week.

a) to meet with

b) meeting with

c) meeting

d) to meeting with

In my mind c) is correct.

Q3: This flight goes ____ to Phoenix, Sky Harbour.

a) direct to

b) directly to

c) to direct

d) to directly

I guess a) is correct. Or maybe b)??

Q4: Using multiple crew resources can ____ improve your decision making.

a) greatly

b) great

c) greater

d) greaterly

c) and d) ist wrong. I guess a) is right.

Q5: An XR-5 submarine is heard ____.

a) to be sank

b) to be sinked

c) to have sunk

d) to have sunken

I would say c) ist correct.

Q6: The situation appeared ____ to the commander.

a) dangerously

b) in danger

c) dangeours

d) endangered

I would say c)

Q7: They aren´t really returning to the airport, ___ they?

a) did

b) are

c) were

d) didn´t

Not sure whether a)did or b)are is right here.

Q8: The ____ total revenues fell since March 2004.

a) company´s

b) company

c) companies

d) companys´

In my mind a) is correct

Q9: The flight crew was requested ___ their documents.

a) not forgetting

b) not forgot

c) not to have forgotten

d) not to forget

I would say d)

Q10: Do you want ____ the initial briefing this morning?

a) attending

b) attend

c) be attended

d) to attend

I think it is d) here.

Q11: In September 2001 the airline´s operations ____ by national security authorities.

a) has been halted

b) were halted

c) had been halted

d) have been halted

I would say d) here.

Q12: "You were not Pilot in Command at that time, ____ you?"

a) are

b) aren´t

c) were

d) weren´t

I think here i c) right.

Any help is highly appreciated.

Thanks in advance.

Ulle