My command of English is not _____ yours.
| A．as half as | B．so half good as | C．good as half as | D．half as good as |
—Is the project difficult for the students?
—No. Most of the relevant information ______ to them.
| A．has been provided | B．has provided |
| C．had been provided | D．had provided |
Working as a manager, Rebecca found it hard ______ between work and her family.
| A．balancing | B．to balance |
| C．to have balanced | D．having balanced |
If you miss this chance, it may be years ____ you get another one.
| A．As | B．before | C．since | D．after |
I just heard____ bank where Dora works was robbed by____ gunman wearing a mask.
| A．the; / | B．a; / |
| C．the; a | D．a; the |
Niki is always full of ideas, but is useful to my knowledge.
| A．nothing | B．no one |
| C．neither | D．none |