.
I like getting up very early in summer. The morning air is so good ___ .
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
单项选择（每题1分）
—Look, John’s fallen asleep at work!
—Oh, he must have _____ late last night.
| A．waken up | B．put up | C．taken up | D．stayed up |
单项选择（每题1分）
In his letter was his promise _____ he would spend the Christmas Eve with me.
| A．that | B．what | C．which | D．whether |
单项选择（每题1分）
—I can’t find my MP4 anywhere．
—_____ it be in your handbag?
| A．May | B．Must | C．Can | D．Should |
单项选择（每题1分）
He often speaks of the trouble he _______ to help the orphan.
| A．had | B．found | C．made | D．took |
单项选择（每题1分）
—Listen！It is raining.
—Oh， really！ I______ it at all.
| A．didn’t realize | B．don’t realize |
| C．haven’t realized | D．hadn’t realized |