______ is really hard ______ them to climb such a high mountain.
A: This; to
B: It; to
C: This; for
D: It; for
A: This; to
B: It; to
C: This; for
D: It; for
举一反三
- At this time tomorrow, they _____ the mountain. A: would be climbing B: will be climbing C: will climb D: would climb
- The writer compares turtles to mountain climbers（） A: because they lay their eggs in mountain areas ______. B: to give you a picture of how hard they work C: to tell you that they like to climb D: to tell you that mountain climbers are as slow as turtles
- It is recommended that he ____( be) the first to climb the mountain.
- He endeavoured climbing/ to climb the highest peak of the mountain.
- They will ____(climb / climbed / climbing) Baiyun Mountain this weekend.