你可能感兴趣的试题
it requires the individual student to work alone it enables all the students to work at the same pace it allows students to discuss with one another and their teachers it enables geographically scattered students to study in the same physical classroom
has kept pace with has kept pace to has made pace with has made pace to
keeping off keeping back keeping out keeping up
to pay, to keep to paying, to keeping to pay, to keeping paying, keeping
kept pace set the pace paced walked
of, keeping warm from, keeping warm in, keeping warmly of, keeping warmly
keeping off keeping up keeping back keeping out
exercise keeping to exercise to keep exercising keeping to exercise keeping
keeping off keeping back keeping out keeping up
to keep, for for keeping, to keeping, with for keeping, for
to do;to keep doing; keeping to do;keeping doing;to keeping
used to keep used to be used for keeping was used to keeping used to be used to keeping
step the pace a pace pace
teachers can take care of them. they can handle the record - keeping themselves. teachers can go with them and help. they can to in groups and help each other.
of, keeping warm from, keeping warm in, keeping warmly of, keeping warmly
to pay ,to keep to paying ,to keeping to pay , to keeping paying ,keeping
to keep, for for keeping, to keeping, with for keeping, for
used to keep used to be used for keeping was used to keeping used to be used to keeping