Which do you think is ________, health or wealth？

_______________will not continue if an ongoing operation is changed or deletedA、

Travellers, when ____________ the checks, have to sign the checks in the presence of the bank or service clerks

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

—Which foreign language are you better at, English or French?—I am sorry I know _______of English and _______of French.

（ ）Some students prefer yellow rulers or erasers when they study for exams because yellow is the color of __________.

Virginius would feel more or less guilty when he______.

Virginius would feel more or less guilty when he _____.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.