15.A large____of money is spent on the Hope Project and a good inany schools____step. A amount:has been B amount:have beenC.number;has been D deal;have been
— So, how is your new roommate ? — She really ____. She always making loud noises at midnight and when I remind her , she always makes rude remarks.
At times the balance in nature is ______ , resulting in a number of possibly unforeseen effects.
He _____the problem _____in his mind for a whole week before he did anything about it.
You _____only half the price ,how would the seller sell the jacket to you ?
In the cross-lake swimming race, a boat will be ____in case of an emergency.