Bear in _____ that tomorrow is our dear mother’s birthday．

＿＿＿＿＿a wonderful sense of humour．

Put the_______of your tongueagainst your upper teeth when you produce the sound。

An increasing number of people enjoy sun-bathing, but experts warn that too much ________of the body to strong sunlight is harmful．

--Why do you choose to work in an international travel agency?---Well, you know, English is my ________. So it is my best choice.