11. It is because people are likely to stay indoors ______ the virus can spread easily ______ people often catch colds.
I've __________ the habit of calling on my grandparents on my way home from school.
Jenny was looking for a seat when, luckily, a man __________ and left.
Peter will give me five sweets __________ an apple, but in fact I don't have a sweet tooth.
The American team will arrive in Paris to play a friendly match with a team that __________ French and German selected players.
Sam managed to keep in __________ contact with his family while he was working in New Zealand.