The young lady________ is talking with our teacher comes from America.
We’ll go to the park to have s picnic ____ it rains. A. if B. unless C. besides D whether
---I think Japanese is _______English. ----I agree with you.
In the last two years the workers______ many tall building.
_____ number of the students is 4,0000 , much more than last year.
---Tom had better stay at home, _____ he? ----Yes, but he’d better ____ turn the TV on.