They are considering______ they should do the experiment .
| A．weather | B．that | C．whether | D．what |
---John, how did your English exam go?
---I thought I ____, but in fact I came in the top 10% in the class.
| A．should have failed | B．couldn’ t have failed |
| C．might have failed | D．mustn’ t have failed |
Although this movie is based on past events, it is not _________ accurate．
| A．currently | B．perfectly | C．historically | D．extremely |
---Ann looks hot and dry.
---Soyou if you had a high fever.
| A．do | B．are | C．will | D．would |
---Did your father come back early last night?
---Yes. It was not yet eight o’clock ______ he arrived home.
| A．before | B．when | C．that | D．until |
On stepping into the room this morning I was astonished to find the floor covered with______looked like tiny insects.
| A．that | B．something | C．what | D．anything |