Amy was reading a book I came in.
He’ll remember as many English words as he can ______ the exam.
If you are weak ____ a subject, ______your teacher for advice can help.
—Could I enter the apartment to look for my sister?—Sorry, you ______. Men _______ go into the apartment for girls.
The students _______ their homework carefully when the teacher walked into the classroom quietly.
—Look! The boy is just wearing a shirt in cold winter.—How poor! It’s said that his parents _____ since he was 3 years old. Maybe we should give him a hand.