动词应用（共10小题，计l0分）
根据句意，用括号内所给动词的适当形式填空。（必要时加助动词或情态动词）
It’s bad for your eyes _________（play）computer games too much．
Her father _______（go）for a walk after supper every day．
What about _______（take）a vacation by the sea?
Let’s ________（make）a birthday cake for our grandfather．
She _________（become）a movie star at the age of sixteen years old．
Mr．Smith ________（give）us a talk next Monday．
Listen! Someone ________（play）the piano in the next room．
Both his parents look happy．Maybe they ________（know）the good news．
一I’m glad to ______（invite）to Susan’s birthday party this evening，Mum．
一Enjoy yourself，dear! But remember to be back before l0 o’clock．
一You are going to buy a flat here, are you?
一Yes，but I _______（not afford）an expensive one．