The research lacks evidence, and therefore, its conclusions are doubtful.
| A．solid | B．fierce | C．severe | D．potential |
.____, he does get annoyed with her sometimes.
| A．Although much he loves her | B．Much although he loves her |
| C．as he loves her much | D．Much as he loves her |
--- Would you please give me a hand and take the bookcase upstairs? ----________.
| A．With pleasure | B．My pleasure | C．That’s all right | D．Don’t hurry. |
It ‘s such a big room , If you don’t speak loud enough , you’ll never make yourself .
| A．hear | B．hearing | C．to hear | D．heard |
In this park , sparrows often fly down from trees to eat from visitors’hands. They are used to in this way .
| A．be fed | B．feed | C．having fed | D．being fed |
They started off at about 5 o’clock in the morning . They should there by now .
| A．arrive | B．have been arriving | C．have arrived | D．be arriving |