He looked around and caught a man _____ his hand into the pocket of a passenger.
| A．put | B．to be putting | C．to put | D．putting |
He asked me ________ with me.
| A．what the matter is | B．what the mater was |
| C．what’s the matter | D．what was the matter |
American English has so many _________ because the American people have come from all over the world.
| A．grammar | B．vocabulary |
| C．pronunciations | D．dialects |
A large number of students in our school ____ from the countryside; the number _____ growing these years.
| A．is; has been | B．are; has been |
| C．is; have been | D．are; have been |
He looked at the envelope and __________ Jenny’s handwriting immediately.
| A．understood | B．knew |
| C．recognized | D．recovered |
It is said that more than ten thousand workers have ______ the strike(罢工).
| A．joined | B．joined in |
| C．attended | D．take part |