I didn’t quite follow him because he explained the theory _____that is too abstract for me.
—The constant noise around here______ me crazy!—Calm down.It’s no use complaining.
—Hurry up!There’s a bus coming!—Why run?There will be_____one in two or three minutes.
upset
polish
cheer
crowd
updated
In our class there are 50 students,half _________ wear glasses.
Passengers are permitted ________ only one piece of hand luggage onto the plane.