Are your parents strict _____ you?[ ]

We are glad to hear that the Greens __________ to a new flat next week.

Do you know the answer _______ the question? —_______. It’s easy. [ ]

Some organizations have been__________ to help the poor students in the western areas of China.

What do you want to be in the future，Nick?—I want to be__________ pilot. It is________ exciting job.