用所给词的适当形式填空。
1.Lastmonthmymotherpromised________(buy)abikeforme,butsheforgotit.
2.Keepon________(practice)andyoucanspeakwell.
3.—Whatdoyouthinkofthebook?
—Idon'tlikeit.Ithinkit's________(meaning).
4.MoYanisa________(success)writerinChina.
5.Theyallwantedtoselltheoldcomputer________(cheap).