二、克漏字測驗
(一) Do you often wash your hands? How about ___29___ your cellphones? We use the cellphones at work and in our free time. We usethem___30___ chatting with our friends and playing games. We use them a lot, but we don’t know how many germs we touch. Studyshows cellphone screens carry 3.5 times more germs than toilet seats. The germs move ___31___ our fingers ___31___ our cellphones, andthey even make us sick. Cleaning our cellphones should be a part of our life every day.

screen 螢幕； sick 生病； more…than 比…多
【題組】29.
(A) clean
(B) cleans
(C) to clean
(D) cleaning