Have you heard of Hansel and Gretel？
Yes，Hansel is a smart boy ______ often come up with a good idea．（ ）
A．whoB．whomC．whereD．which
Peter studies ______ of all the students in his class．（ ）
A．hardB．harderC．hardest
Dad，I don't know this new word．
Well，you can ______ in the dictionary．（ ）
A．look up itB．look it up
C．look it around
May I go and play with Dick，Mum？
No，you can't go out ______ your homework is being done．（ ）
A．beforeB．asC．until
He ran as fast as he could ______ the bus but he failed．（ ）
A．catchB．to catchC．caught
When is your birthday，Li Fang？
It's ______ July 26．（ ）
A．onB．toC．in