My pen pal Molly ______ to Xi’an to visit me next Thursday.
| A．is coming | B．comes | C．came | D．coming |
if we sit near________front of the bus，we’ll have________better view.
| A．/；the | B．/；a | C．the; a | D．the；the |
The population of the world in 20th century became very much _________than that in 19th.
| A．bigger | B．larger | C．greater | D．more |
If you have lost a library book, you have to _________ it.
| A．find out | B．look after | C．pay for | D．take care |
If anyone wants to say something in class, you ________ put up your hands first.
| A．must | B．may | C．should | D．Can |
-- __________ you ________ your book to the library?
-- Yes. I returned it yesterday.
| A．Did, return | B．Have, returned |
| C．Will, return | D．Do, return |