Susan thought ____not easy to answer all these questions.
A. it B. that C. them D. this
—Meat isn’t really dangerous , is it?
--Oh! ____! It’s not at all good for our health.
A. Yes, it isn’t B. No, it is
C. Yes, it is D. No, it isn’t
She opened all the windows _____she could take a bit more of fresh air.
A. so that B. such that C. in order to D. such
--____are you staying in Ottawa?
--About two weeks.
A. How many B. How long C. How far D. How soon
–Oh! There is a snake in front of Jay.
--But it seems that he doesn’t ___the danger.
A. meet B. understand C. predict D. realize
Uncle Wang didn’t stop to have lunch __he finished mending the TV set.
A. if B. when C. until D. as
