It is often recommended that children _____ chances to get close to nature.
| A．are offered | B．be offered | C．should offer | D．must be offered |
— Did you visit the museum today?
— No. We ______ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．may have visited | D．couldn’t have visited |
I am going to do ______ I can ______ him a good impression.
| A．all what, leave | B．all, to leave | C．all that, leave | D．what, leave |
Some of the doctors are paid almost ______ as the nurses.
| A．twice as much | B．much as twice | C．as much twice | D．as twice much |
The killer was caught at a pub ______ he was surfing the net, ______ relaxed us all.
| A．which, that | B．where, which | C．where, that | D．that, which |
______ you’ve got the chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |