Choosing a mobile phone for personal use is not an easy task because technology ________ so fast.
In the face of difficulties and drawbacks, we should learn to comfort ourselves and _______our high spirits all the time.
Some of the students think that English learning should start early, because little children have_____good memory, and they can learn many more words by_____heart.
I’ve more or less finished this magazine. Can I ______with you?
Sugar______naturally in fruit, so eating fruit can add to the contents of sugar inside our body.
We should learn to experience and enjoy failure and_____ought we to be so discouraged, even in despair.