---Sir, I’m terribly sorry for not having handed in my homework on time, but I have been very busy all these days.
---No excuse for it, but I drop it this time.
| A．might | B．can | C．should | D．must |
Tom’steacherandfriend____Mr.Smith.
| A．are | B．is | C．arebeing | D．has |
Allthatcanbeeaten____eatenup.
| A．arebeing | B．hasbeen | C．hadbeen | D．havebeen |
Someperson ____callingforyouatthegate.
| A．are | B．is | C．isbeing | D．willbe |
Oneachsideofthestreet ____alotoftrees.
| A．stands | B．grow | C．isstanding | D．aregrown |
Thesheetsforyourbed____washing.
| A．needs | B．areneeding | C．want | D．arewanting |