Hundreds of jobs ______ if the factory closes.
| A．lose | B．will be lost | C．are lost | D．will lose |
-- I have got a headache.
-- No wonder. You_________ on the math exercises too long.
| A．work | B．are working | C．have been working | D．worked |
Attention, please. All of you students _______ remain in their seats until all the papers have been collected.
| A．can | B．will | C．may | D．shall |
____ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.
| A．Were | B．Should | C．Would | D．Will |
Whoever is never ______ with the progress he has made will be a success.
| A．content | B．proud | C．abundant | D．familiar |
Canada is a country ________ many different nationalities as well as one with foreign immigrants __________ the majority of its population.
| A．making up of; occupied with | B．consisting of; making up |
| C．made up of; consisting of | D．consisted of; taking up |