-----_____ do you exercise?
-----Once a week.
| A．How long | B．How often |
| C．How far | D．How soon |
There is ______ “b” and _______“s” in the word “bookcase”.
| A．a; an | B．an; a | C．a; a | D．an; an |
My mother’s ________are my brothers.
| A．sons | B．brothers | C．uncles | D．parents |
—________under the desk? －No, they aren’t.
| A．Where are | B．What’s | C．Are those rulers | D．Is that ruler |
—What’shername? —LilySmith .______isherfamilyname.
| A．LilySmith | B．Lily | C．Smith | D．MrsSmith |
—Isthisyourwatch?---________.It’shiswatch.
| A．Yes,itis | B．No,itisn’t | C．Yes,theyare | D．No,theyaren’t |