Was it because of the heavy snowstorm in Europe _____ the flight had to be put off? [ ]

hanks to the whole team and to my family, understanding and support has made my success possible.

ng you at about ten o’clock, butthere was no replyOh, that was probably ________ I wasseeing the doctor

________is no doubt that today greenhouse gases are the largest human influence on global climate.

aven’t seen each other for _______,though we are in the same city