Great changes have taken place around the world. Nobody can tell _____ in 20 years.
| A．what will it be like | B．how it looked like |
| C．what it will be like | D．how did it look like |
—Is the bag beautiful?
—Yes, at _____ it’s _____ the one you bought for me.
| A．last; as bad as | B．least; no better than |
| C．last; not better | D．least; no worse than |
Our teacher told us that light _____ much faster than sound.
| A．traveled | B．travels | C．is traveling | D．was traveling |
In our class _____ of the students _____boys.
| A．third fifths; is | B．third fifth; are | C．three fifth; is | D．three fifths; are |
—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.
| A．Did ; do; finished | B．Have; done; have finished |
| C．Have; done; finished | D．Will; do; finish |
It’s necessary for you _____ exercise every day.
| A．taking | B．to take | C．take | D．takes |