T____ it is very difficult for me to learn maths well,I won't give it up.

The mountain is too high,so the air is very t____ at the top of it. T____ it is very difficult for me to learn maths well,I won't give it up. My husband does't____,but I like it very much. 填空下面问题What t____ is it?It is h____p____th____. The old man is very t____ after a long walk He is very t____ after thirty minutes' running. 英语翻译Calculating the process driven value of RFID investments is very difficult.It is important to understand the concrete contribution of an RFID system for the planning and configuration of individual processes,especially among s how t____ is it ? it's twenty meters tall do you like t____ chinese buildingsGuangzhou is good place for s_____Last summer holiday,i went to hainan I_____.it is very beautiful there附加翻译.呵呵 T____ it is raining outside,they don't stop working . People are i____ in it very much,and try to t____ to it.首字母填空 It is very hot It is very crazy. It is very hot. It is very()(clean). it is very important it is sometimes very it is very