Swimmers must be very strong in order to build up speed because of the high resistance of the water. Runners, ____, must struggle against the heavy resistance of the air and ground.
| A．generally | B．similarly | C．naturally | D．probably |
The student did not catch the last bus, _______, it began to rain cats and dogs.
| A．in the flesh | B．at times | C．what’s worse | D．back and forth |
______ you have tried it, you can’t imagine how pleasant it is.
A. When. B. Because. C Although. D. Unless.
The audience were ______ by his _______ performance on the stage.
| A．amazed; amazed | B．amazed; amazing |
| C．amazing; amazed | D．amazing; amazing |
John may phone tonight. I don’t want to go out ________ he phones.
| A．in case | B．in that case | C．so that | D．in time |
----- What are you going to do this afternoon?
----- I’ll probably go for a walk later on _________ it stays fine.
A. as far as B. so long as C. even if D as if