.
— Do you know why the teacher asks for me?
— He wants you to _________ your absence(缺席) last night.
| A．account for | B．call for | C．reach for | D．send for |
The old couple walked rather slowly, and could be seen, from time to time, to stop and rest, ________ out to sea.
| A．to be staring | B．stared |
| C．having stared | D．staring |
It was unbelievable that the fans waited outside the gym for three hours just________ a look at the sports stars.
| A．had | B．having |
| C．to have | D．have |
The boy, ________ with his school work every day, felt rather tired and wanted to have a whole day to relax.
| A．occupying | B．having occupied |
| C．occupied | D．being occupied |
We've had a good start, but next, more work needs ________ to achieve the final success in English study.
| A．being done | B．do |
| C．to be done | D．to do |
You can spend your free time in our library.There is a reading room ________ more than 600 students.
| A．seats | B．to be seated |
| C．seated | D．seating |