Your dream won’t come true_____ you know what your dream is.
A. after B. because C. unless D. though
It’s hard _______ us ____ finish the work before five o’clock.
A. for ; to B. for; of C. of; to D. to, of
I reall y don't know ______ this question.
A. which to do B. which to answer C. what to do D. how to answer
—We can’t be successful ________ we keep working hard.
—I agree with you.
A. if B. unlessC. because D. when
The more you are ____ in English, the better you'll learn it.
A. interest B. interesting C. interests D. interested
--- It's very kind ____ you ____ help me complete the difficult job.
--- You're welcome.
A. to; for B. for; of C. of , to D. of; to
