My parents advise me in that river. It’s dangerous.
| A．swimming | B．swim |
| C．not to swim | D．not swim |
–What do you think of the summer camp?
–Wonderful! It’s the greatest ______ I have ever had.
| A．mistake | B．point | C．experience | D．influence |
–-I never thought she would _______ my invitation to the concert.
—She would feel sorry for missing the concert someday.
| A．refuse | B．suppose |
| C．return | D．Remind |
I know the importance of the math test. It _______ 30% of the final exam.
| A．makes of | B．makes into |
| C．makes up | D．makes from |
–Who is the tallest boy?
–It ______ be John. Because John is of medium height..
| A．must | B．needn’t | C．might | D．can’t |
– Why does Mary look so sad?
– Maybe the things _______ she saw made her think of her grandmother.
| A．that | B．what | C．who | D．Whom |