【题目】If you keep on working hard, you________good grades.

【题目】Would you like ________ (go) to Beijing with us next week (星期)?

【题目】If there are________cars on the roads, there will be ________ air pollution.

【题目】—Could you ________the radio a little bit? Your sister is sleeping.

【题目】Eric is wondering ________he could climb to the top of the mountain as he was too tired to do that.

【题目】Look at the ________ [rezz]. They are Jim's and Kate's.

【题目】The monkey is very ________ [klev(r)].

【题目】一Summy ate nothing for breakfast this morning, ?

【题目】How about visiting Taoyuan Cave this ________ [snde]?

【题目】Your mother is very busy. She hardly does morning exercises, ?