【正文】
om e in and sit ( betwe en/by) m e. by by Watching waiting by Ⅱ .用括號內(nèi)所給單詞的適當(dāng)形式填空。 6 . Do yo u of t en m e m or iz e ne w word s by (m ake) vo ca bula ry li sts ? 7 . Ca n y ou finish ( do) yo ur ho m ework be f or e ni ne o 39。 cl oc k ? 8 . W e ha ve w orked f or th ree 39。 s stop ( work) a nd have a rest. 9 . ( help ) eac h othe r at sc ho ol is a way to im pr ov e our fr ie ndsh i p. 10 . It is no use ( w ai t) f or him an y l onger . making doing working Helping waiting