1.I've just seen David with a shovel in his hand. He.....in the garden right now.
a.may be working
b.must be working
c.should work
d.is working
2.Modern equipment.....long time ago, but better late than never.
a.should have import
b.might have been imported
c.must have been imported
d.should have been imported
3.Is the man you saw yesterday Bill's father? It.....Bill's father because he went to Europe two days ago.
a.can't have been
b.couldn't be
c.may not have been
d.must have been
1.I've just seen David with a shovel in his hand. He.....in the garden right now.
a.may be working
b.must be working
c.should work
d.is working
2.Modern equipment.....long time ago, but better late than never.
a.should have import
b.might have been imported
c.must have been imported
d.should have been imported
3.Is the man you saw yesterday Bill's father? It.....Bill's father because he went to Europe two days ago.
a.can't have been
b.couldn't be
c.may not have been
d.must have been
Câu 1 sao không phải là a?