问题

So mysteriously ______ missing that many puzzles wait to be solved.

A:did Flight MH370 go
B:Flight MH370 went
C:does Flight MH370 go
D:had Flight MH370 gone ;

正确答案是：

同类题型

They have ________for about ten years.

Mark needs to learn Chinese ________ his company is opening a branch in Beijing.

“He hasn’t got any hobbies——_______you call playinggames on computer a hobby.” Mr. Lin said.

The villagers want to build a bridge the river.

Make a note of the questions you want to ask when you revise your lessons. ______ , you will surely forget some of them.