He is going to the post office ___he want to send a letter

41. He is going to the post office ……………….. he want to send a letter.
A moreover B and C but D because
42. She bought potatoes…………. cabbage at the market.
A but B however C and D although
43. They learn English ………… they intend to go abroad.
A because B so C or D and
44. His hobbies are playing soccer ………….. collecting stamps
A although B however C but D and
45. I’d love to play volleball …………… I must complete my homework.
A and B but C moreover D since
46. I wear a hat ………………… I don’t want to be sick.
A and B therefore C but D because
47. I am going to the supermarket…………. I want to buy some food.
A however B but C because D therefore
48. Do you want to have coffee………………. tea?
A but B although C or D and
49. She study well…………… she is busy.
A and B although C since D because
50. They went to school………….. it was raining hard.