15Ca Fill the spaces in the following sentences by using FOR or SINCE
15Cb Fill the spaces in the following sentences by using FOR or SINCE
15Cc Fill the spaces in the following sentences by using FOR or SINCE
15Cd Fill the spaces in the following sentences by using FOR or SINCE
15Ce Fill the spaces in the following sentences by using FOR or SINCE
15Cf Fill the spaces in the following sentences by using FOR or SINCE
15Cg Translate the following sentences using FOR or SINCE
15Ch Translate the following sentences using FOR or SINCE
15Ci Translate the following sentences using FOR or SINCE
15Cj Translate the following sentences using FOR or SINCE