— Excuse me, but can I sit here?
— ________. The man who sat here says he will be back soon.
| A．Yes, please | B．You’re welcome |
| C．No problem | D．You’d better not |
— When do you usually take a walk?
—______ the morning.
| A．In | B．On | C．At | D．For |
— How_______ the medicine tastes!
—Yes. But the medicine will really work soon after you take it.
| A．nice | B．sweet | C．delicious | D．Terrible |
—Do you think ________will be robots in the school in 20 years?
—No,________.
| A．there; there won’t | B．they; there will |
| C．there; they won’t | D．they; there wouldn’t |
—What were you doing when he ________“hello”to you?
—I _______in front of the blackboard.
| A．was saying; read | B．was saying; was reading |
| C．said; read | D．said; was reading |
—Don’t stop trying ________ your dream comes true.
—Yeah.
| A．when | B．if | C．until | D．As |