——Hi, Mike．Any idea where Mary is?
——She ____ in the classroom．I saw her there just now．
| A．shall be | B．should have been | C．must be | D．might have been |
It took building supplies to construct these energy-saving houses. It took brains, too.
| A．other than | B．more than | C．rather than | D．less than |
The incomes of skilled workers went up. , unskilled workers saw their earnings fall.
| A．Moreover | B．Therefore | C．Meanwhile | D．Otherwise |
______ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
| A．To be tried | B．Tired | C．Tiring | D．Being tired |
My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive .
| A．as | B．so | C．too | D．very |
The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview.
| A．mainly | B．punctually | C．approximately | D．precisely |