It’s the first time I __ to see you this year.
| A．had come | B．came | C．have come | D．come |
—When could you have a meal with me ?
—I’d like to go whenever it is______ to you.
| A．fit | B．nice | C．convenient | D．suit |
Scientists have many theories about how the universe_______into being.
| A．came | B．was coming | C．had come | D．would come |
Cindy shut the door heavily and burst into tears. No one in the office knew ______she was so angry.
We can never expect_______bluer sky unless we create_______less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
The visit _____ to Guilin is worth remembering for ever.
| A．paid | B．paying | C．to pay | D．being paid |