注册税务师以纳税人、扣缴义务名义向税务机关办理开业税务登记，应自领取营业执照之日起( )日内申报登记。

A．10

B．15

C．30

D．60

I find it hard to get used to ______ in a company where you are often required to work overtime without being noticed first.

(A) work
(B) working
(C) works
(D) be worked