__________ she couldn't understand was__________ fewer and fewer students showed interest
in her lessons.
| A．What; why | B．That ; what | C．What ; because | D．What;which |
This box __________ all the books you need, __________ an English-Chinese dictionary.
| A．contains; included | B．contains; including |
| C．includes; contained | D．includes; containing |
We'd better set off or it will be dark __________ we know it.
| A．before | B．after | C．when | D．until |
I ___________in the No.8 Middle School for three years, and I have been in this school for one and a half years.
| A．have studied | B．had studied |
| C．studied | D．was studying |
Preparations are being made for the Olympic Games ______ in Brazil in 2016.
| A．held | B．to hold |
| C．to be hold | D．holding |
Mr Green has two daughters, both of____ are doctors.
| A．them | B．that | C．who | D．whom |