从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该选项标号涂黑。
1. —So you gave her your iPhone 6?
—________, she said she’d return it to me when she could afford her own.
A. No doubt B. All right C. My pleasure D. Not exactly
2. As is known to all, ________ People’s Republic of China is ________ biggest developing country in the world.
A. the; / B. the; the C. /; the D. /; a
3. I can ________ the house being untidy, but I hate that it’s not clean.
A. come up with B. catch up with C. put up with D. end up with
4. Whatever is left over may be put into the refrigerator, ________ it will keep for two or three weeks.
A. where B. which C. when D. what
