When logistics centre（物流中心）is completed， materials for improving people’s living conditions are all available here.
| A．不填；the | B．a；不填 | C．the；不填 | D．the；the |
He could hardly afford time and money on such an overseas vacation.
| A．spending | B．to spend | C．spend | D．spent |
She often helps the students __ ___ she thinks are not good at English.
| A．whom | B．which | C．who | D．when |
—Could I borrow your camera tomorrow?
—I don’t think you need it, because visitors ______ to take photos there.
| A．aren’t allowed | B．don’t allow |
| C．haven’t allowed | D．hadn’t been allowed |
After the equipment was introduced; they produced_______ machines this year as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
College students should be encouraged to use _____ Internet as _____ resource when planning a term paper.
| A．the; a | B．/; the |
| C．the; the | D．a; a |