Leave your key with your neighbor you lock yourself out one day.
| A． as long as | B． even though | C． in case | D． as if |
he boys followed the marks that they ________, until finally they found their way back to the campsite.
| A．left | B．have left |
| C．had left | D．have been left |
Tony lent me the money, ______that I’d do as much for him.
| A．hoping | B．to hope |
| C．hoped | D．having hoped |
________ their heavy load, the two brothers walked along the river bank.
| A．Carrying | B．Carried | C．To carry | D．Carry |
Many Chinese like watching People Who Moved China, which honors those _____ contributions should be remembered and learned from.
| A．whose | B．who | C．that | D．Their |
Research shows that teenagers ________ talk about their day with family members at the dinner table are less likely to engage in high-risk behavior.
| A．what | B．who | C．whom | D．\ |