Sometimes smiles around the world ______ be false, hiding other feelings like anger, fear or worry.
| A．must | B．would | C．should | D．can |
Our attitude toward our teachers should be _____, but not slavish or superstitious.
| A．respectable | B．respected | C．respective | D．respectful |
It was difficult to guess what her _____ to the news would be.
| A．impression | B．comment | C．reaction | D．opinion |
. _____ the English examination I would have gone to the concert last Sunday.
| A．In spite of | B．But for | C．Because of | D．As for |
. Your help is _____ for the success of the project.
| A．indispensable | B．indicative |
| C．inevitable | D．inherent |
When she heard from the hospital that her father had died, she _____ into tears.
| A．burst | B．went | C．exploded | D．fell |