______ apple fell from the tree and hit him on ______ head.
| A．An; the | B．The; the | C．An; 不填 | D．The; 不填 |
. _____ of you comes first will get the ticket.
| A．Which | B．Whichever |
| C．Who | D．Whatever |
. He hesitated for a moment before kicking the ball, otherwise he ____ a goal.
| A．had scored | B．scored |
| C．would score | D．would have scored |
He just does ______ he pleases and never thinks about anyone else.
| A．that | B．what |
| C．which | D．how |
“Isn’t it about time you _____ to do morning exercises？” “Yes, it is. Would you like to join us？”
| A．begin | B．have begun |
| C．began | D．had begun |
_____ worries me is _____ we’re going to pay for all this.
| A．It, that | B．That, how |
| C．What, how | D．As, that |