单选题 Yellow flowers in the field always（） me （）my childhood in the countryside.

单选题 In order to （）of the physical exercise, you have to exercise regularly, and for at least half an hour each time.

单选题 In order to make sure he would be able to attend the meeting, I called him up two weeks（）.

单选题 Many subway riders read books or listen to music in order to （）their time on the way to work.

单选题 Experts say our company is amazing in that sales have been increasing steadily（）.

单选题 Research on genes will（） exciting new medical treatments.

单选题 They all tried to talk（ ） , but I couldn't hear anything they said.

单选题 We have been practicing for so long and so hard that our team should （）winning the game.