I’m not sure ________ he is right or not.
A. if B. whether C. that D. Who
It would be far _________to have robots _____ our homework.
A. good, do B. best, do
C. better, do D. better, to do
The cruel cook was guilty ______murder. He was involved _____ the case.
A. with , with B. of , in
C. of , on D. in, of
The _____ man told us his past before he _____.
A. dying; died B. dead; dying
C. dead; died D. dead; dying
—Your aunt often walks the dog in the morning. —Yeah, ____ bad weather stops her.
A. until B. unless C. since D. But
—How was your recent trip to Thailand? —I’ve never had one before．
A. the more pleasant B. a more pleasant
C. a most pleasant D. the most pleasant
