They can surely overcome those difficulties ___ they are closely united.
| A．even if | B．as long as | C．so long as | D．B and C |
They climbed rocks, _____rivers and settled in the valley.
| A．across | B．crossing | C．crossed | D．and crossing |
He has _______good knowledge of _____English language but not much of English history.
| A．/ ; the | B．a; the | C．/ ; / | D．the; the |
The weatherman said that it is ____ to rain, but not _____.
| A．possible; probable | B．probable; possible |
| C．possibly; probable | D．probably; possibly |
Harry is far _____ his brother in English.
| A．over | B．good | C．well | D．beyond |
A housewife is busy all day; she has house to clean, clothes to wash and kids________.
| A．to take care | B．taking care | C．to take care of | D．taking care of |