"Tooth and nail " means ______.

The correct phrase for the blank is at  large. The full sentence is: "Birds fly at large in the sky."

The correct answer is has been raining. The full sentence is: "It has been raining since morning."

The correct word for the blank is is. The completed sentence is: "The headmaster along with his colleagues is coming here today." 

Correct word to fill in the blank is changed.. The completed sentence is: "It is high time we changed our food habits."

The correct word to fill in the blank is make/ makes. The complete sentence is: "Two and two make four"

কোনো বাক্যে sub + wish/fancy থাকলে সাধারণত দ্বিতীয় বাক্যে sub + V2 অথবা sub + would/could + v1 বসে।
- তবে, unreal past বুঝাতে to be verb থাকলে তা সর্বদাই were হয়। অর্থাৎ I wish I were child again- আমি যদি আবার শিশু হতাম।