26.—Flight MU257 _______________ . I must be off now.
—Have a nice trip.
A.is being announced | B.has announced |
C.was announcing | D.had been announced |
Sometimes proper answers are not far to seek ______ food safety problems.
A.in | B.to | C.on | D.after |
In that school, English is compulsory for all students, but French and Russian are ______.
A.special | B.regional | C. optional | D.original |
Would you like tea or coffee?
--_____, thank you. I’ve just had some water.
A.Either | B.Both | C.Any | D.Neither |
We can never expect ____ bluer sky unless we create _____less polluted world.
A.a; a | B.a; the | C.the; a | D.the; the |
—Can I use your laptop for a while?
—; any how I am not using it now.
A.That’s OK | B.By all means | C.It doesn’t | D.Use it. |