Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.
| A．if | B．since | C．until | D．before |
This problem seems difficult to solve.
A. looks at B. feels C. Appears
Everyone was amazed at how he solved this problem.
A. was interested in
B. was surprised at
C. was pleased with
__________he is very old, _______he still wants to help others.
| A．Although, but | B．But, although |
| C．Although, / | D．Although, and |
________ bad weather it is！I have to stay at home.
| A．What a | B．What | C．How | D．How a |
This story is very ___________.I feel quite __________.
| A．bored, boring | B．bored, bored |
| C．boring, bored | D．boring, boring |