When I was in university, I ______ at a loss what to do in the future for a long time.
A.had felt B.have felt C.felt D.would feel
—Have you paid? What’s my share of the bill?
—________. It wasn’t very much.
A.Don’t worry about it. B.It’s my share
C.None of your business. D.It’s up to you.
Linda couldn’t have broken into the teacher’s office at midnight, for it was only nine o’clock ______she returned to the dormitory and had a sound sleep.
A.before B.when
C.that D.until
—I ________ so busily recently that I ________ no time to help you with your maths.
—That’s OK. I can manage it by myself.
A.have been working; have B.have worked; had
C.am working; will have D.had been working; had had
During Spring Festival, most of the cities in our country have ______ fireworks display because of safety and noise pollution.
A.defended B.cancelled C.burst D.broadened
The large passenger aircraft C919 AC 101, independently designed and developed by China, turned out to be a huge ________ success.
A.controversial B.contradictory
C.commercial D.compulsory
