I was very tired, ________ I determined to walk on to the next village.
Chọn đáp án B
Bill is in class 12, _______ John, who is a year older, is only in class 4.
You need to get some job retraining _______ it, you risk being laid off.
The sun is shining and there are very few clouds; _______, I am sure it is going to rain.
Graphite is a soft, slippery solid that is a good conductor of_______ hear and electricity.