1 . Choose the best phrase or word to fill in the blank in its proper form. Note that there is one word more than you need.

A. shower…with       B. delighted in       C. distinguish…from       D. look into        E. figure out             F. refer to            G. couple…with          H. keep track of                  I. die down               J. left a good impression on               K. fight off

1. After full preparation for the first day of primary school, I hope my son has ________ his teachers and classmates.
2. Lang Lang is so famous that his fans from all over the world ________ him ________ flowers after every show.
3. A smart watch can not only tell you time, but also ________ your health condition.
4. The branch has been in a difficult situation these days because the manager failed to ________ an effective strategy for tailoring the service to customers.
5. Learning about laws can help teenagers ________ right ________ wrong.
6. Merely being exposed to a new cold virus, however, is not enough for a person to catch a cold, since a strong immune system can successfully ________ some new viruses.
7. Have you found any problem with the product under test? If so, I can ask a technical assistant to ________ it.
8. You will definitely be interested in this trip that will ________ business ________ pleasure.
9. When they were kids, they intended to make greater efforts to do what they ________ and what they were curious about.
10. With emerging evidence and upcoming witnesses, the rumors(谣言) are believed to ________ soon.