An e-book is ________ than a paper one among students today.
A.the most popular B.most popular C.more popular D.popular
Tony likes surfing the Internet, ________ he never plays online games.
A.for B.so C.or D.but
We ________ wear masks to keep away from COVID-19 in public.
A.must B.may C.can D.need
— ________may I keep the book, madam?
—For two weeks.
A.How much B.How many C.How often D.How long
—Where is your sister, Tina?
—She's ________ the kitchen. She's preparing for our breakfast.
A.on B.in C.to D.of
My grandpa lives alone in the countryside. I often visit ________ at weekends.
A.her B.them C.him D.it
