She can hardly write her own name, ______?

When I was a child，I ________ watch TV whenever I wanted to.        (2013·江西，29)

(2013·成都一诊)The chairman ________ hold office for five years according to the constitution.

She is a quiet girl at school，but sometimes she _____be very naughty．

-- Mum，can I go on a holiday with my classmates this summer vacation?-- OK．You __________ have a chance if you get along well with your studies．