I enjoy playing computer games, but I can’t _____ too much time _______that.

The US is China’s biggest export market, ________ more than 70 percent of China’s exports.[ ]

exams—________she seems to be very happy and relaxed

(2013·杭州模拟)Encouraged by my science teacher, I set about my studies on developing my product, 　　　　I hope I will succeed in applying for a patent(专利权)

Instead of flocking into the cities, the peasants __________ villages and townships of a new type in the past few years