用括号里所给动词的适当形式填空。注意:每空不限一词。
---Why didn’t you say anything?---Sorry, I ____________(reply) to my boss’s message.
The TV program Super Brain(最强大脑) is so interesting that it is well worth _____ (watch).
---Guo Tao’s new book about his stories with his son ___________(come) out.
---Really? Why not go to the bookshop and buy one right now?
It isn’t necessary for you______________(go) into hiding.
---Will you ever leave her alone?---Only if she ___________(ask) me to.