The doctors has_________ a new idea on thetreatment, which is well thought of by his companions.

There is no doubt ______ man will conquer nature some day.[ ]

Financial markets will be disturbed as ______ business adjusts its working approaches and policies from an assumption of 3-3.5% potential output growth.

How many languages can your pen pal —Two, English and Chinese.

_____difficulty we will face, we should have confidence and try to solve it