假如某国P商品由甲、乙、丙、丁四厂生产,丙厂的个别劳动时间比甲厂短,乙厂的劳动生产率比丁厂低,甲厂的劳动生产率比丁厂高。若不考虑其他因素,下列判断中正确的有
____ is good _______ your health.
____ important to learn English well.
There is going to _______ a party in Lily’s house today.
He watches TV twice ____ three times a day.
You’d better ____ in bed. It’s bad for your eyes.