By the time Jack returned home from England, his son __________ from college.
| A．graduated |
| B．has graduated |
| C．had been graduating |
| D．had graduated |
—_________ he start at once or wait for a while?
—Let him start at once.
| A．Will | B．Would | C．Does | D．Shall |
—Is the man our sales-manager?
—No,it _________ not be him.He never plays cards.
| A．must | B．can | C．will | D．may |
.How I wish every family _________ a large house with a beautiful garden.
| A．has | B．will have | C．had | D．had had |
One of the main themes of the summit was “sustainable development”,or the question _________ we can continue developing the world without damaging the environment.
| A．what | B．how | C．why | D．that |
They wouldn’t let us through without examining our passports very carefully,_______?
| A．will you | B．shall we |
| C．would they | D．don’t we |