The boy helped the blind girl go ________ the road. The girl was thankful to him.
A.across B.below C.over D.through
Don't cut in line ________ you're waiting for the bus or shopping.
A.while B.unless C.once D.though
________ you make a promise, you should try to keep it. Or you'll lose others' trust.
A.Unless B.Because C.Before D.Once
________ we finished drinking tea, we all sat on the grass.
A.When B.After C.Before D.If
Tom is only two years old, ________ he shouldn't be left alone.
A.and B.so C.but D.for
________ he has said sorry to you, please give him another chance.
A.When B.Since C.Before D.Until
