1.Give me a call _____you need my helpA if B and C but D yet2.It will be ten years______we have the chance of seeing each otherA since B that C after D before

1.Give me a call _____you need my helpA if B and C but D yet2.It will be ten years______we have the chance of seeing each otherA since B that C after D before
1.Give me a call _____you need my help
A if B and C but D yet
2.It will be ten years______we have the chance of seeing each other
A since B that C after D before

1.Give me a call _____you need my helpA if B and C but D yet2.It will be ten years______we have the chance of seeing each otherA since B that C after D before
1A2D
before引导的时间状语从句,表示从句的动作比主句的动作早.我们还有十年才有机会彼此相见.

1、A。如果需要我帮忙，请给我打电话。 要表示“如果”的意思
2、B。

1.A if
2.D before

1、A。如果需要我帮忙，请给我打电话。 要表示“如果”的意思

2.A.since的用法。自从我们见面以来，有十年了。