_天津成考网

I can't_________you  that I'll be able to come, but I’ll do my best.

• A、ask

• B、advise

• C、promise

• D、answer

What will happen when students depend too much on research tools ?

• A、They won’t make good use of books.

• B、They don’t copy work done by others.

• C、Their studies will be greatly improved.

• D、Their attention to things will last longer.

54.________.