Don't worry．Bill will help you look after your dog when you ________ away on business．（ ）
| A． |
are |
B． |
were |
C． |
will be |
D． |
have been |
I think eating ____is good for health （ ）
A．tomatoesB．bananaesC．egges
I find___pen on the ground．Whose is ___pen？（ ）
A．a，theB．the，aC．a，a
Frank knows much about the city because he ______ there many times．（ ）
A．wentB．has goneC．has been
Could you please tell me _________？（ ）
A．where does he liveB．where he lives
C．where he live
Mr．Lee used to _______ dinner in the restaurant，but now he is used to _______ every meal with his family at home．（ ）
A．have，eatB．having，eating
C．have，eating