While  Tom and Mary were on holiday at the seaside, they enjoyed 36      seagulls(海鸥). They learned a lot about these 37           birds.
They will often come close to you on the beach when you are eating something. If you 38      a piece of bread to them, they will take it away quickly.
Seagulls swim well, but they do not often dive(潜水)for fish. They are 39      good at flying with their wings(翅膀)。When a seagulls is flying, It puts its legs 40    its body. Tom often watched them 41      close to the ground because he like the way they 42       the air with their wings and put 43       their feet before they touched the ground. Mary liked to see them flying over the  44       smoothly(熟练的) and quietly without their wings moving,  45       she said she didn’t like the noise they made.  
A seeing   B  looking   C to watch   D watching
A happily   B lovely    C lonely   D slowly
A throw    B ask     C  send   D  borrow
A neither    B too     C also    D  either
A under    B about    C on   D behind
A walking    B running   C  coming  D going
A helped  B win  C put   D beat
A up     B  down   C  out   D  in 
A trees    B  house    C  water   D ground 
A so     B  and   C  because  D  but