Sarah ______ change her mind, even though she knew the plan was hard to carry out.
| A．mustn’t | B．wouldn’t |
| C．shouldn’t | D．needn’t |
.
This is the best restaurant in our town. I’m afraid you can’t find _______ here.
| A．a better one | B．the better one | C．the best one | D．any best one |
.
Can you see the tree _____ we tied our boat last time?
| A．that | B．in which | C．on which | D．to which |
.
---- Ricky, why hasn’t Billy been with us these days?
---- Oh, he is _________for next month’s 400m race.
| A．standing out | B．taking up | C．backing out | D．working out |
.
– Jack, when shall we go to visit Mr. Smith?
– It’s up to him. We’ll go to see him whenever _______.
| A．he is convenient | B．he will be convenient |
| C．it will be convenient for him | D．it is convenient for him |
.
He spoke very slowly, but he still didn’t get his meaning _______.
| A．across | B．cross | C．through | D．though |