China’s Beidou global satellite navigation system will have been completed by 2020, ________ of more than 30 satellites.
Though difficult, I ________ him find a job, which made him very pleased.
He was inspired to start again _________ he had failed.
–She looks very happy. She ________have passed the exam. --I guess so. It’s not difficult after all.
The Australian boy has a good __________ of Chinese and can express himself freely in it.
Be ___________ ---you can’t expect me to finish all this work in so little time.