I couldn't climb that high.中that的词性是什么?

I couldn't climb that high.中that的词性是什么? I t____ to climb the tree,but I couldn't .He has to f____ his homework on Friday. I couldn't wait to _______tothetop A.drive B.jI couldn't wait to _______tothetopA.drive B.jump C.ride D.climb i couldn't agree I couldn't help i couldn‘t是什么意思 英语题目,只有一小道.连词成句：climb I the by stairs couldn't was myself I when two 急需,求速度! I ALMOST COULDN'T 还是I COULDN'T ALMOST? i probably couldn't造句 words i couldn t say I couldn't care less. i couldn't help but I couldn't agree more. i couldn't stop thinking I couldn't miss you 56.I felt so bad all day yesterday that I decided this morning I couldn’t face ______ day like thA.other B.another C.the other D.others He couldn't play with candles.I couldn't e . the hill was so high that we couldn't climb it(保持原本意思不变) the hill was___high____us to climb