B.recovering C.appearing

D.traveling

42.A.alone

B.away

C.again

D.aside

43.A.time

B.money

C.food

D.fun

44.A.when

B.until

C.after

D.once

45.A.decided

B.intended

C.advised

D.repeated

46.A.business

B.swimsuit

C.friends

D.parents

47.A.angry

B.sorry

C.confused

D.excited

48.A.nervously

B.sadly

C.shyly

D.happily

49.A.rise

B.swim

C.stop

D.row

50.A.difficult

B.easy

C.comfortable D.suitable

51.A.speak

B.sing

C.sniff