When_______,waterwillbeturnedintosteam.
A、heated
B、heating
C、beingheat
D、havingheated
Whatarethekeyfeaturesofaresearchpaper?
Decisiononwhetherthemessageisrightorwrongshouldatleastcomeafter_____whatthemessageis.
A、puttingout
B、turningout
C、workingout
D、runningout
Neverbefore_______sorapidlydevelopingasitistoday．
A、hasourcountrybeen
B、ourcountryhasbeen
C、hasbeenourcountry
D、ourcountryhasn’tbeen
I‘vebeentellingyou_____nottodothat，butyounevelistenedtome.That’swhyyougotintotrouble.
A、attimes
B、timebeforetime
C、timeandagain
D、forthetimebeing