The book was written in 1946, __________ the education system has witnessed great charges.
A.when | B.during which | C.since then | D.since when |
______ at the news that his eyes rained tears.
A.So was Tom sad | B.So sad was Tom |
C.So sad Tom was | D.So Tom was sad |
—Has your former classmate come back from America?
—Yes, he _____ there for 8 years.
A.has stayed | B.stays | C.stayed | D.had stayed |
—Hello, can I speak to Mr. Smith?
—I’m sorry, but it is 3 weeks _____ he worked here.
A.before | B.since | C.after | D.while |
—It’s hard to believe that Jack should have fought with the policeman.
—Yes. If one ____ ask for trouble, it can’t be helped.
A.may | B.need | C.must | D.should |
—When did your brother begin to show his interest in medicine.
—It was a Saturday _____ he noticed his classmate experimenting on a frog in the lab.
A.that | B.what | C.when | D.which |