As physics is hard enough, I _____ study it.
| A．amnotable | B．couldn’t | C．amnotableto | D．cannot |
Three days later, word came ________our country had sent up another man-made satellite.
| A．which | B．when | C．that | D．where |
_______team will win the match is a matter of public concern.
| A．Which | B．That | C．If | D．How |
_______makes mistakes must correct them.
| A．Who | B．Anyone | C．Whoever | D．Anybody |
_______you come or not is up to you.
| A．What | B．If | C．Why | D．Whether |
_______he won't go there is clear to all of us.
| A．How | B．What | C．Why | D．This |