She understood what I was talking about, ________ it was the first time we had spoken together.
A. whether B. even if
C. as if D. Since
As you can see，the number of cars on our roads________ rising these days.
A．was keeping B．keep
C．keeps D．were keeping
Ten minutes later，a bus________ and everybody got on it.
A．came up B．added up
C．looked up D．put up
David said that it was because of his strong interest in literature________ he chose the course.
A．that B．what
C．why D．How
—So you didn’t say “Hi” to your partner when you saw her?
—Well，I stopped and smiled at her，but she________ me and walked on with her head high.
A．refused B．failed
C．missed D．ignored
Emily’s grandma________ poor health for several years，so she always takes care of her after school.
A．joined in B．has got tired of
C．went through D．has suffered from
