I’m waiting for the mail. Do you know _____ it will arrive?
| A．when | B．where | C．how | D．what |
When you look for a job, it’s not your book knowledge but your experience _______matters more.
| A．whether | B．which | C．what | D．that |
Without proper lessons, you could _______ a lot of bad habits when playing the piano.
| A．give up | B．catch up | C．pick up | D．keep up |
It suddenly _________ to the detective that the millionaire was probably murdered by his own daughter.
| A．happened | B．occurred | C．thought | D．took place |
It’s helpful to put children in a situation ________ they can see themselves differently.
| A．that | B．when | C．which | D．where |
You will find this map of great ________ in helping you to get around Beijing.
| A．valuable | B．value | C．helped | D．cost |