- in
- on
- at
- after
Explanation: "In" is used to indicate a period of time, such as "in a week."
Explanation: "In" is used to indicate a period of time, such as "in a week."
Explanation: "At" is used to specify a particular time, such as "at 8 PM."
Explanation: "Since" is used to indicate the starting point of a period, such as "since 2010."
Explanation: "At" is used to indicate a specific location or point in space, such as "at the concert."
Explanation: "On" is used to indicate that something is positioned directly above and in contact with a surface, like "on the bed."
Explanation: "On" is used to specify a particular day, such as "on Halloween."
Explanation: "On" is used to indicate that something is positioned directly above and in contact with a surface, like "on the chair."
Explanation: "Since" is used to indicate the starting point of a period, such as "since 2010."
Explanation: "At" is used to indicate a specific location or point in space, such as "at the restaurant."
Explanation: "On" is used to indicate that something is positioned directly above and in contact with a surface, like "on the chair."
Explanation: "On" is used to specify a particular day, such as "on New Year's Eve."
Explanation: "On" is used to specify a particular day, such as "on Saturday."
Explanation: "At" is used to specify a particular time, such as "at 7 PM."