3道填空
1.I___(can)rideabikewhenIwaseightyearsold2.Areyoufeelingmuch___(good)today3.Ididn'thavetime___(play)withyoubecauseIhavetoomuchhomework4.He___playfootballnow,becauseitisraininghard.A.maynotB.can’tC.mightnotD.couldn’t