–Excuse me, sir, didn’t you see the red light?--Sorry, my mind _____ somewhere else.
It seems ________ our team is going to win.
—How many practical plans has your deskmate made this week?— . All have turned out disappointing.
The best times to visit Shangri-la are spring and autumn ____ the temperature is at its mildest.
Scientists study ____ human brains work to make computers.
______ in the school campus in spring, we will always noitce a colorful display of flowers.