一Which dress do you like best．Madam?
一Sorry，I can’t decide _______ now．
| A．which one to buy | B．buy which one |
| C．to buy which one | D．which I should buy it |
If you don’t eat less, you’ll looking like a whale!
| A．think up | B．end up | C．get up | D．put up |
She likes playing chess while her sister likes playing piano.
| A．the; the | B．the; / | C．/; the | D．/; / |
I spent half an hour ________ the piano every day.
| A．to play | B．play | C．playing | D．played |
I _______ to learn to play the piano ever since then.
| A．began | B．begins | C．begun | D．have begun |
----Why not _______ to the park now?
---- Good idea! Let’s go.
| A．go | B．to go | C．going | D．gone |