11.______you______(spell)all the words yesterday?
12.Everybody______(like)to have much money.
13.Since last year,Helen______(work)harder.
14.Lily sometimes______(bring)some story books to school.
15.Gloria______(have)her lunch yet.
16.Patsy______(go)back home later.
17.We usually______(eat)rice with a pair of chsticks.
18.The earth______(be)round.
19.Father______(drive)his car at this moment.
20.you______(be)sitting here since one o'clock this afternoon.