What a terrible experience! _____ , you are safe, that's the main thing.
| A．Somehow | B．Anyhow | C．Somewhat | D．Anywhere |
It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it.
| A．that | B．what | C．how | D．whether |
A lot of language learning,________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
| A．as | B．it | C．which | D．this |
Between the two parts of the concert is an interval,________ the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |
The printer is of good quality. If it ________ break down within the first year, we would repair it at our expense.
| A．would | B．should | C．could | D．might |
They use computers to keep the traffic _________ smoothly.
| A．being run | B．run |
| C．to run | D．running |