He was ______ tired ______ go on walking.
A. so, that B. such, that C. too, to D. as, as
Have you ever read books ______ by Lu Xun?
A. writing B. written C. are written D. writes
—It’s too late. I have to go now.
—Oh, it’s raining outside. Don’t leave ______ it stops.
A. since B. until C. while D. when
—Thank you for the nice birthday present.
—______ .
A. Don’t say so. B. You’re welcome
C. Thanks a lot D. No problem
There are ______ floors in the building and my home is on the ______ floor.
A. twenty; fifteenth B. twenty; fifteen
C. twentieth; fifteen D. twentieth; fifteenth
— Do you know anything about Chinese knots (中国结)?
— Yes. They are usually regarded ______ symbols of good luck.
A. for B. by C. with D. as
