Li Ming is said ______ the experiment in the lab, but I can’t find him there.
| A．to have done | B．to do | C．to be doing | D．doing |
--- How much do I owe you for dinner?
--- . It’s nothing.
| A．You’re welcome | B．Forget it. |
| C．With pleasure | D．That’s right |
My sister met him at Ningbo Grand Theatre yesterday afternoon, so he your lecture.
| A．couldn’t attend | B．mustn’t have attended |
| C．shouldn’t attend | D．couldn’t have attended |
His promise he would give away half of the year’s income to the earthquake-stricken area turned out a lie, made the public feel cheated.
| A．that; what | B．that; which | C．what; which | D．which; that |
To our great , his parents were at his mark.
| A．surprise; surprised | B．surprises; surprising |
| C．surprises; surprised | D．surprise; surprising |
Swimmers must be very strong in order to build up speed because of the high resistance(阻力) of the water. Runners, , must struggle against the heavy resistance of the air and ground.
| A．generally | B．similarly | C．naturally | D．probably |