whatdidyoudo____theweekend?whatdidyoudo____theweekend?a.inb.ofc.at()2,we___lotsofplacesyesterday.a.visitedb.visitingc.visit()i____understand.a.doesn'tb.don'tc.not()whatarewegoingtotake____ourpicnic.a.inb.of.c.on

　　whatdidyoudo____theweekend?

　　whatdidyoudo____theweekend?

　　a.inb.ofc.at

　　()2,we___lotsofplacesyesterday.

　　a.visitedb.visitingc.visit

　　()i____understand.

　　a.doesn'tb.don'tc.not

　　()whatarewegoingtotake____ourpicnic.

　　a.inb.of.c.on

　　()____cheesedoyouwant?

　　a.howmanyb.howmuch.c.how.

　　()4'canyoureadtheshoppinglist___please?

　　a.atmeb.tomec.toi

　　请说明一下语法