单项选择题
Those are probably the ______ curtains in the store.
单项选择题 Mary: I went skiing. Jill: Mary said (that) she ______ skiing.
单项选择题 You ______ help me if you don't have time. I can do the job myself.
单项选择题 ______ for the TOEFL exam in June, we took a training class in April.
