IstillrememberthatdaywhenItaughtmybrother,Tim,howtorideabike.Atfirsthewassonervousthathecouldnotkeephisbalanceandalwaysfelldown.Hetoldme1go,soItrottedalongthesidewalk,holdingontohisnewbike.Everytimeherodeonhisbike,he2turnhisheadtomakesureIwasstillthere.OnceItried3goofthebikeandTimothyhappenedtoturnhishead.Asaresult,hewobbled,yelped,andfelldowninaclatter.Luckily,I4sureheputonhissafetyhelmet.Still,hehowledashe5onthecoldsidewalk.Hewassodisappointedthathealmostdecidedtogiveup.Iencouragedhimtogoon.OncemoreTimothypushedhis6ontothepedalsandsetoffagain.Thistimehecaughtholdofhimselfandlookedstraightahead.Thebike'swheelssailedforwardsmoothly.Iwasthrilledtoseehewasridingallbyhimself!7hewasfarawayfromme.
A
notletting
B
nottolet
C
notlet
D
notleting
A
usedto
B
wasusedto
C
useto
D
isusedto
A
tolet
B
let
C
letting
D
toletting
A
made
B
hadmade
C
wasmaking
D
couldmake
A
lain
B
lie
C
laid
D
lay
A
foot
B
leg
C
feet
D
legs
A
Gradually
B
Suddenly
C
Luckily
D
Encouragingly