---Is there ___ you don't understand?---I think ___ is quite clear.Thank you.
| A．something, nothing | B．anything, everything | C．nothing, anything | D．everything, anything |
---Why didn’t you go to yesterday’s meeting?
---I would have but I ______ too busy working on the important experiment.
| A．had been | B．was | C．were | D．am |
According to the rules, students must not ____ their books during examinations.
| A．read | B．watch | C．notice | D．look at |
The summer is already here, and it _____ to be a most severe one.
| A．wants | B．hopes | C．promises | D．wishes |
The bad weather meant__________ the rocket launch（发射）for 48 hours,．
| A．delaying | B．having delayed |
| C．to delay | D．to have delayed |
You can enjoy __________ the full the drama performed by the famous actor. It is a real ____.
| A．to; treat | B．at; appreciation | C．in; passion | D．/; from |