--Can I have your name, sir?
--Err… Albert Johnson, if you _______ know.
| A．must | B．can | C．may | D．need |
Every boy and every girl ________ pleased when they saw Shenzhou VI was sent up to space.
| A．is | B．was | C．are | D．were |
—How long have you been in this office?
—Just a few minutes. My cousins__________here together with me.
| A．have walked | B．had walked |
| C．walked | D．have been walking |
—I would like to buy an expensive camera.
—Well, we have several models_____.
| A．to choose from | B．to choose | C．to be chosen | D．for choice |
I remember _________the factory owed a small workshop and two machines.
| A．when | B．how | C．whether | D．what |
I suggest that that we should take part in more such activities in future _______we did yesterday.
| A．which | B．as | C．that | D．than |