22.In many places in China, ______ bicycle is still ______ popular means of transportation.
The weather that day may not be as good as expected, in ________ case we will have to put off the event.
Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.
—Jenny, I hate to say it, but you really must go! —________.
—I remember I left my laptop in the study last night. Why ________ here? —Oh, I thought you might need it so I brought it here for you.
What the educational expert wants to stress is that ________ from worry and anxiety can definitely contributes to a child’s mental and physical health.