Abeamoflightwillnotbendroundcornersunless________(make)todosowiththehelpofareflectingdevice
Heaskedmewhethermybrother________(fly)toBeijing.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
I have been studying here for four years, by next summer I ________.
Night ________ (fall), we hurried home.
Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
