Look at the timetable. Hurry up! Flight 4026 ____ offat 18:20.

She is neither good at Chinese, nor ＿＿＿＿＿ English.

It is out of question that you ____ Chief Engineer of the railway when Mr. Bell leaves. [ ]

This math problem is toodifficult. Can you show me________, George?

as great singing _____________, butto become a real singer, he needs a lot of necessary training and practice.