When I got to the store, “iPhone 6 Plus” had been sold out. The salesmen didn’t know_____________.
A. when were they available（可得的）
B. when will they be available
C. when they would be available
D. when would they be available
There is something wrong with my DVD player. I’ll have it ____________.
A. fixed B. to fix C. fixes D. fixing
The robot _____________ the virus and it was_____________ trouble.
A. caught; too much B. caught; much too
C. had; too D. had; a lot
— What rules do I have to keep while working here?
—______________, you must always wear your uniform.
A. By the way B. From then on
C. Believe it or not D. First of all
My bedroom is about _____________of the size of yours.
A. three-fourth B. three-four
C. third-four D. three-fourths
The air in Beijing is much worse than ____________ in many other cities.
A. this B. those C. that D. these
