Ⅰ.单句语法填空
1．Your watch will be repaired free if it's still ______ guarantee.
【答案】 under
2．The people who objected to the new approach were told that since work had already started there was no point in ______ (protest)．
【答案】 protesting
3．After the operation，the player has done more exercise ________ (increase) his strength.
【答案】 to increase
4．I saw two boys ______ (rise) to their feet at the same time.
【答案】 rising
5．The new law has come into effect，and ______ number of wild animals here is on ______ increase now.
