单项选择题
Usually there is ______ traffic in the streets on weekdays than on Sundays.
单项选择题 Don't let that old rascal take you ______ with his clever talk—none of it is true.
单项选择题 John ______ be could improve his exam results, but he did not have enough time to study.
单项选择题 What we have to take ______ the courses offered only for this term.
